You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I oblige you today?

USER: I would like to cancel my reservation as my press meet got cancelled. Can you help me with the cancellation?

ASSISTANT: Sure, can I know on which name your ticket has been booked in past?

USER: Sure, I was reserved on the name of Barbara Roberts.

ASSISTANT: Ok, wait a moment I will check whether the reservation is available or not.

USER: Ok.

ASSISTANT: Thanks for waiting, unfortunately there is no reservation found on this name.

USER: Ok, thank you for the information.

ASSISTANT: Thanks for approaching us.