You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Actually I have booked a flight ticket for a trip but, I changed my mind to go by road. So, please cancel my ticket.

ASSISTANT: Sure. Please wait for a while.

USER: OK.

ASSISTANT: For further proceeding may know your good name please?

USER: Sure, Donna Wright is my name.

ASSISTANT: Sorry, there is no reservation found on your given name.

USER: Ok, no problem. Thanks for your time.

ASSISTANT: Thanks for choosing us.