You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: Can I know your name?

USER: I'm Sarah Martin.

ASSISTANT: Sorry, there is no reservation found under your name.

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

ASSISTANT: You are welcome. Thank you for reaching us.

USER: You are welcome.