You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you with today?

USER: My name is Michael Wilson. Actually my trip got postponed for one month due to some problem, could you please cancel my recent reservation?

ASSISTANT: Sure, I can help you with that. Please allow me a moment to check the details.

USER: Ok.

ASSISTANT: Michael, I have checked and see that there is no reservation found under your name.

USER: It's Ok. Thank you for your service.

ASSISTANT: You are welcome. Thank you for contacting us.