You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: There is a case going on in the court which is related to my land, so I am unable to travel on that time due to last day hearing of the case. Can you please help me in cancelling my flight ticket?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

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

USER: I am Ruth Mitchell.

ASSISTANT: Please wait a moment.

USER: Sure.

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

USER: Ok, no problem with that one. Thank you for your service.

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