You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any help from us?

USER: Please help me to cancel my recent reservation.

ASSISTANT: Sure, I am glad to help you?

USER: Thank you.

ASSISTANT: Could I have your name please?

USER: I am Sharon Wilson.

ASSISTANT: Sharon Wilson, I have found your reservation and I cancelled it. Thank you for choosing us.