You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jason Johnson.

ASSISTANT: What service you are looking for?

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 am here to help you with the ticket cancelling process.

USER: Thank you for accepting my request.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: I am really sorry for the trouble, there is no reservation found with your name.

USER: Ok, thank you for your search and your information.

ASSISTANT: You are welcome. Thank you for reahcing us.

USER: Welcome.