You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to cancel my recent reservation because my brother marriage was postponed, can you help me?

ASSISTANT: Ok, please can I know your name to check for the reservation availablility?

USER: I am Anthony Mitchell.

ASSISTANT: Ok, the reservation you have asked for is found and the cancellation is done successfully.

USER: That's ok, thank you for checking.

ASSISTANT: You are most welcom. Thank you for choosing our agency.