You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I'm Timothy Martin. My business meeting has been cancelled. So, I would like to cancel my reservation.

ASSISTANT: Sure, I can help you with it.

USER: Thank you.

ASSISTANT: I am sorry there are no reservations with your details.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.