You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Emily Evans here.

ASSISTANT: How may I assist you Emily?

USER: I want to attend a Football match in Chicago. But suddenly the match is cancelled. So I want to cancel my reservation.Can you please help me for that?

ASSISTANT: Sure, I will help you on that. Please wait a moment to check your previous reservation status.

USER: Ok, take your time.

ASSISTANT: Sorry to inform you, there is no reservation found under your name in our records.

USER: Anyway, thank you for the information.

ASSISTANT: Thank you for using our services, have a great day.