You are a flight assistant. 
 USER: Hello, I am Richard Smith.

ASSISTANT: Hello, how can I assist you?

USER: Due to an emergency meeting, I want to change my reservation. Can you help me with it?

ASSISTANT: Sure, please wait a moment.

USER: OK.

ASSISTANT: We are happy to inform you that there is a reservation found on your name. Please provide your new journey details.

USER: My depart is on 08/12 and return on 08/14. My origin is CLT and destination is PHX.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I need flight with direct connection.

ASSISTANT: Sorry, we found a connecting flight with your details.

USER: No problem. Thank you.

ASSISTANT: Ok, thank you for choosing us.