You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: International meeting got postpone, Can you help me to cancel my reservation?

ASSISTANT: Sure, can you please provide your name to check the details of your reservation?

USER: Mary Martinez here.

ASSISTANT: Ok, please wait a moment I'll check and revert you.

USER: Ok.

ASSISTANT: Thanks for waiting, found a reservation so can I proceed with your cancellation?

USER: Please proceed.

ASSISTANT: Ok, your cancellation is done successfully.

USER: Thank you so much for the service.

ASSISTANT: Thanks for connecting with us. Have a nice day!.