You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Gary Adams, can you help me to cancel the flight ticket which I recently reservated?

ASSISTANT: Sure, I will help you out in cancelling the flight ticket.

USER: Ok, thank you.

ASSISTANT: Please wait a moment. Sorry Gary, no reservation found on your name in our data base.

USER: That's fine, not a problem. Thank you for assisting me.

ASSISTANT: Thank you for reaching us.