You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you help me to cancel my recent reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Deborah Collins here.

ASSISTANT: Sorry, there are no reservation found on your name.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.