You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

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 please help me with cancelling my resent reservation?

ASSISTANT: Ok, please provide me your name?

USER: My name is Deborah Clark.

ASSISTANT:  OK, wait a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation was found on your name.

USER: OK, no problem. Thanks for your information.

ASSISTANT: Thank you for opting us.