You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you for today?

USER: My name is Virginia Wilson. My trip is cancelled, could you help me in cancelling the reservation?

ASSISTANT: Sure. Please wait for a couple of minute. I will check and get back to you soon.

USER: OK.

ASSISTANT: Sorry Wilson, I didn't found any reservation in my records.

USER: That's OK. Thank you for helping me out.

ASSISTANT: Most welcome.