You are a flight assistant. 
 USER: Hello. I am James Jackson.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to change my recent reservation, can you help me with it?

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation found with your name.

USER: Its ok, thank you for your assistance.

ASSISTANT: Thanks for opting us.