You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I met an accident, so I cannot able to travel with this situation, please help me cancel my recent reservation.

ASSISTANT: Definitely, I will help you. May I know your name?

USER: Please check with the name of Michael Collins.

ASSISTANT: There is no reservation found under your name.

USER: It's not a problem. Thanks for your checking.

ASSISTANT: Thank you to approach us.