You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure, I can help you with that. May I know your good name please?

USER: Ok, I am Thomas Taylor.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Thomas Taylor, there is no active reservation found under your name to do cancellation.

USER: It's ok, thank you.

ASSISTANT: Thank you for choosing us.