You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you at this moment?

USER: I am a police cop and I have booked a flight ticket to attend a socialism meeting in Seattle but suddenly the meeting got cancelled, so can you please cancel my ticket booking?

ASSISTANT: Sure. Please wait for a moment.

USER: Sure.

ASSISTANT: May I know the name on which you have booked a ticket?

USER: I had booked the ticket on my name Donald Harris.

ASSISTANT: Sorry, there is no ticket existing on your given name.

USER: Ok, no issues with that one. Thank you for your help.

ASSISTANT: Welcome. Thank you for reaching to us.