You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I would like to cancel my recent reservation, can you help me in that?

ASSISTANT: Sure, May I know your name?

USER: Sure, myself Eric Allen.

ASSISTANT: Sorry, No reservation found on your name.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for opting us.