You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Pamela Moore. Can you help me in cancelling my recent reservation, as my exam is postponed?

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Ok.

ASSISTANT: Please allow me a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: That's ok, thank you.

ASSISTANT: Welcome, have a nice day.