You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Janet Hill.

ASSISTANT: How can I help you?

USER: Would it be possible to cancel my reservation?

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Yes Hill, I have successfully cancelled your ticket.

USER: Thanks for your help.

ASSISTANT: Thank you for contacting us.