You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Owning an emergency I would like to cancel my resent reservation. Can you help me with it?

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

USER: I am Shirley Walker.

ASSISTANT: Thanks for giving your name, there is no reservation on your name.

USER: Its ok, thank you for your information.

ASSISTANT: Thanks for choosing us, have a good day.