You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Robert Moore. Due to weather problem I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: There is no reservation on your name.

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

ASSISTANT: Thanks for choosing us.