You are a flight assistant. 
 USER: Hello,. I am Patrick Edwards.

ASSISTANT: Hello, What kind of help are you expecting from our side?

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, I can change your reservation right now.

USER: Thank you.

ASSISTANT: Please wait for a while, so that I can check the reservation list and revert to you.

USER: Sure.

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

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thanks for consulting us, have a good day.