You are a flight assistant. 
 USER: Hello,. I am Laura Gonzales.

ASSISTANT: Hello, how can I help you?

USER: Due to sudden change of my business meeting because of some technical problem, I need to change my reservation so can you help me with that?

ASSISTANT: Sure. Please wait for a while, I will check your reservation.

USER: Sure.

ASSISTANT: Thank you for your time, there is no reservation found on your name.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for reaching us.