You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can 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 name?

USER: Stephen Young.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a reservation on your name and cancelled it successfully.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for reaching us.