Hello.
user
Hello. How may I help you?
assistant
My business trip has been postponed, can you please help me for changing the existing reservation?
user
Sure, please help me with your name to check your details.
assistant
Sure, my previous reservation is on the name of Gary Walker.
user
Sorry, there is no reservation found on your name.
assistant
Ok, no problem.
user
Thank you for choosing us, have a nice day.
assistant
Thank you for your information.
user