You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My holiday trip has been cancelled, could you please help me with cancelling my recent reservation?

ASSISTANT: May I know your name?

USER: My reservation was done under the name Mark Thomas.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

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

USER: That's ok, not an issue.

ASSISTANT: Thank you for choosing us.

USER: Anyways, thank you for the information.