You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Scott Lee here, please can you help me in changing my reservation?

ASSISTANT: Sure, may I know on which name the ticket was booked?

USER: My ticket is booked on my name only.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

ASSISTANT: Sorry, I could not find any ticket booked with your name.

USER: It's ok. Thank you.