You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Scott Brown.

ASSISTANT: OK Scott, how can I help you?

USER: Due to a sudden meeting, my trip with my girlfriend is cancelled. Could you help me in cancelling a reservation?

ASSISTANT: Sure, please wait for a moment.

USER: OK.

ASSISTANT: Sorry Scott, there is no reservation found on your name.

USER: Thank you for your time.

ASSISTANT: Thank you for approaching us.