You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Please help me to cancel my recent reservation.

ASSISTANT: How may I help you today? Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Steven Turner.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: I have found your reservation successfully. Can I cancel it?

USER: Please cancel it.

ASSISTANT: I have cancelled your ticket.

USER: Thank you for your excellent service.

ASSISTANT: Thank you for approaching us.