An angel was tasked by God to go to a beautiful city and send a word to the people there. He obeyed God and went ahead happily. He stood on the platform of the stadium with the whole city as his crowd, they pressed in eager to hear the words from heaven. They had colourful flowers planted everywhere, the most talented crew leading praise and worship, the best looking people who were friendly and warmth. As he declared the words of God to them, they bowed down and worshipped. They treated him with respect and offered him the best hospitality they could afford. The angel completed his task and went back to heaven, happy to be able to be used by God.
At the same time, another angel was tasked by God to go to the most undeveloped place on earth. It was rural and dirty with flirt everywhere. His task was not to sing or bring about good news to people. There were nothing glorious about the task- the task of sweeping up the dirt-filled city roads. He went ahead and obeyed God. There was no one there to greet or welcome him. In fact there was no one there at all. He swept the road, with a smile on his face, happy and grateful to serve his Master's needs. At His word he went, without complain. He went ahead happy, with joy as he served. He completed his task and went back to heaven, happy to be able to be used by God.
Both of them served the same God, with the greatest attitude that one could ask for, unaffected by what circumstances dictates.
Joy of services doesn't come by what you do, but for whom that they are being done for- the Almighty God!
Trust that the circumstance that He has placed you in, is the best for you that can bring out the best in you.
God definately knows what He's doing.
Fret not and trust Him!