You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Mark Edwards here.

ASSISTANT: How can I assist you at this moment?

USER: Can you cancel my flight ticket reservation? As my cricket match is been postponed duet to bad weather in New York.

ASSISTANT: Sure Mark, I will help you with that.

USER: Ok.

ASSISTANT: Please wait a moment to check your reservation status.

USER: Sure.

ASSISTANT: Sorry Mark Edwards, no reservation has found under your name to cancel.

USER: Not a problem. May be it is already cancelled by my brother. Thanks for checking.

ASSISTANT: Thank you for choosing us, have a good day.