Hello,.
Hello, How exactly I can serve you the best today?
 Due to sudden change in my trip to another location, I would like to change my reservation. Can you please help me with changing my ticket?
Sure, I will always be there to help you.
Thanks for considering my request.
May I know on which name the ticket has been reserved?
Sure, Rebecca Thomas is my name.
Please wait for a while, to check the present status of your earlier reservation and let you know.
Ok, I will wait for your response.
Thank you for waiting.
My pleasure.
We hardly tried to find your reservation but, no reservation has been found with your name.
That's ok, You have done a great job.
Is there any other help that I can do for you?
No, I donot want any help right now. Anyway, thanks for asking. Thank you for your extendable service.
Thank you for opting us. Have a blissful day!.