Hi.
user
Hello. How can I help you?
assistant
I want to reschedule my trip as my appointment with doctor got postponed. So can you help me in changing my existing reservation?
user
Sure, we are here to help you out. Please wait a while. May I know your name?
assistant
I am William Turner.
user
Thanks for being waiting. There is no reservation found by this name.
assistant
Ok, thanks for the information.
user
Thank you.
assistant