You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

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

USER: Paul Smith here.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: I have found a reservation on your name and cancelled it successfully.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for reaching us.