You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure, may I know your name to proceed?

USER: Sure, I am Sarah Lee.

ASSISTANT: I have found your reservation, can I proceed to cancel it?

USER: Yes, you can.

ASSISTANT: Ok, your recent reservation is cancelled.

USER: Thank you.

ASSISTANT: Thank you for reaching us.