Hello.
user
Hello, how may I help you today?
assistant
Due to sudden change in my trip to another location, I would like to do some changes in existing my reservation. Can you please help me out?
user
Sure, please share me your name to proceed further.
assistant
Myself Benjamin Evans.
user
Please wait a minute.
assistant
Ok.
user
Sorry, there is no reservation on your name to change.
assistant
Ok, no problem. Thank you.
user
Thank you for choosing us.
assistant