You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Edward Wilson. Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I will help you with the flight ticket cancellation.

USER: Thanks.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: That's ok, thank you for your quick response.

ASSISTANT: Thanks for contacting us.