You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation found on your name to cancel it.

USER: That's ok, thank you.

ASSISTANT: Thanks for choosing us.