You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My college meeting has been postponed.Can you please help me for cancelling the recent reservation?

ASSISTANT: Sure, can I know your name?

USER: My name is Jacob Robinson.

ASSISTANT: No reservation found for you, Jacob.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for consulting us. Have a great day.