You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Jeffrey Hernandez here.

ASSISTANT: How may I guide you today?

USER: Please cancel my reservation, which I have 2 months back.

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: I  cancelled your ticket successfully.

USER: It's ok, thanks for your help.

ASSISTANT: Thank you for contacting us.