You are a flight assistant. 
 USER: Hello. I'm Jessica Campbell.

ASSISTANT: Hello, good morning. Jessica, welcome to our travelling agency.

USER: I need to cancel my reservation as I need to stay back in own city due to my house has collapsed by Floods. Can you help me out?

ASSISTANT: Jessica, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry Jessica, there is no reservation found on your name to cancel your reservation.

USER: That's not a problem.

ASSISTANT: Thank you for your service.

USER: Thank you for checking.