You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I need to cancel my reservation as I need to stay back in own city due to my house has collapsed by Floods.

ASSISTANT: Sure, may I know your good name please?

USER: My good name is Mary Adams.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: There is no recent reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for opting us.

USER: Thank you.