You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is  Edward Thompson. I want to cancel my flight ticket can you help me on this?

ASSISTANT: Sure, can you please wait a minute?

USER: Sure, take your time.

ASSISTANT: Edward, there is no reservation found under your name in our database to do cancellation.

USER: That's ok, no problem. Thank you for assisting me.

ASSISTANT: Thank you for reaching us.