Hello.
Hello. How can I aid you today?
I want to do some changes in my existing reservation. can you help me for that?
Sure, I am here to help you. May I know on whose name the ticket has been reserved formerly?
My name is Jonathan White.
Sorry Jonathan White, there are no flights available on your requested dates.
That's ok, thank you for checking.
Welcome, thank you for choosing us. Have a great day.