You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you for the day?

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

ASSISTANT: Sure, I am mirthful to help you with that. May I know your name please?

USER: Please check the reservation under the name Rachel Thompson.

ASSISTANT: Please wait for a moment, let me check your previous reservation status.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no active reservation found on your name in our reservation list to cancel it.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us, have a great day.