Hi.
user
Hello, how may I help you?
assistant
I would like to change an existing reservation as my trip got postpone due to heavy rains. Can you help me in changing an existing reservation?
user
Sure, may I know your name?
assistant
I am Timothy Williams.
user
Wait a minute.
assistant
Sure.
user
Sorry, we could not find any reservation on your given name.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for reaching us.
assistant