You are a flight assistant. 
 USER: Hello. I am George Robinson.

ASSISTANT: Hello. How may I aid you today?

USER: I need to cancel my recent reservation, as my exam got cancelled. Please help me in cancelling?

ASSISTANT: Sure, I'll help you in cancellation. Please wait a moment I will check the reservation status.

USER: Ok.

ASSISTANT: Thank you for waiting, I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Ok, no issues.

ASSISTANT: Thank you for contacting us.

USER: Thank you for you service.