You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My sports events are been postponed.Can you please help me for cancelling the recent reservation?

ASSISTANT: Sure, can I know your name so that I will check your details of booking?

USER: Sure, my name is Larry Gonzalez.

ASSISTANT: Sorry Larry, there is no reservation showing on this name.

USER: Ok, It's fine. Thank you for your help.

ASSISTANT: Thank you for reaching us, Have a good day.