You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: Sure, I will help you. May I know your name please?

USER: Myself Benjamin Hall.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a reservation found, would you like to cancel your reservation?

USER: Yes, please.

ASSISTANT: Ok, your ticket has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.