You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, may I know your good name please?

USER: I am Kathleen Martin.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: We found a reservation on your name and we have cancelled it.

USER: Thank you.

ASSISTANT: Thank you for reaching us.