You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how could I assist you today?

USER: As my wife is not feeling well, I decided to look after her. I cancelled all my meetings, so please cancel my travel also.

ASSISTANT: Sure, Please wait a moment. To cancel your reservation, may I have your name please?

USER: I am John Hall.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you.