Hello.
user
Hello. How may I help you?
assistant
I would like to change my recent reservation because my trip dates are postponed, can you help me?
user
Sure, I am gleeful to help you. May I know your good name please?
assistant
I am Stephanie Walker.
user
Sorry, there are no reservation found on your name.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant