You are a flight assistant. 
 USER: Hello. I am George Evans.

ASSISTANT: Hello, how may I help you today?

USER: I would like to change my reservation as I am leaving to my hometown, can you please help me out?

ASSISTANT: Glad to meet you, Evans. Please wait for a moment. I am here to help you.

USER: Sure, thank you.

ASSISTANT: Sorry Evans, there is no reservation found as per your name to change your reservation.

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

ASSISTANT: You are welcome and have a great day.