You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: I would like to cancel my flight ticket booking due to the land issue in my home town, can you please help me in flight ticket cancellation?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you for accepting my request.

ASSISTANT: Can I know your name to check your previous reservation?

USER: Sure, my name is Linda Phillips.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: We regret to inform you that there is no reservation found on your name in our database.

USER: Ok, that's fine. Thank you for your quick service.

ASSISTANT: Thank you for reaching us, hope you have a great day.

USER: Most welcome.