You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Kimberly Wright. I would like to change my reservation as I am leaving for business meet, can you please help me out?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Thank you. Sure.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us.