Hello.
user
Hello, how may I help you?
assistant
I am planning to change an existing reservation, due to health issue. Can you please help me out?
user
Sure, please share your good name?
assistant
Sure, I am Brian Johnson.
user
Please wait for a while.
assistant
Sure.
user
Thank you for your time, sorry no reservation found on your name.
assistant
That's fine, thank you for your information.
user
Thank you for choosing us.
assistant