You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in cancelling my recent reservation, as my exam got cancelled.

ASSISTANT: Sure, I am glad to help you in that.

USER: Thank you.

ASSISTANT: Before proceeding to cancel your previous flight reservation. May I know your name?

USER: Myself Elizabeth Green.

ASSISTANT: We found your flight reservation in airline database. Shall I proceed to cancel it?

USER: Ok, proceed.

ASSISTANT: Your flight ticket has been successfully cancelled.

USER: Thank you for your help.

ASSISTANT: Thanks for opting us.