You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in cancelling my recent reservation, as my exam is postponed?

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: Ok. I am Frank Smith.

ASSISTANT: Ok, wait for some time I will check the reservations on your name and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting we found reservation on your name and your ticket has been cancelled successfully.

USER: Thank you.

ASSISTANT: Thanks for contacting us.