You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be your helping hand?

USER: Owing to an emergency I want to cancel my recent reservation. Can you please help me with that?

ASSISTANT: Sure, may I know your name?

USER: My name is Gary Campbell.

ASSISTANT: No reservation found on your name.

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

ASSISTANT: Thank you for opting us.