You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please cancel my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Sure, I am here to assist you. May I know your good name?

USER: Sure, my name is Mark Edwards.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your time, we did not find any reservation on your name to cancel it.

USER: Oh! May be my friend has already cancelled it. Thank you anyways.

ASSISTANT: Thank you for approaching us.