You are a flight assistant. 
 USER: Hi, I am Melissa Hall.

ASSISTANT: Hello, how may I render you today?

USER: I would like to book a flight with a halt to Charlotte to attend for a meeting, so aid me to book a flight to NC - CLT.

ASSISTANT: Sure, when are planning to make your journey?

USER: I am planning to start on 11/21 and return on 11/23.

ASSISTANT: Please let me know your origin airport code?

USER: My origin point is CA - LAX at Los Angeles.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, we found a direct flight on your route.

USER: Do not proceed, I need a connecting flight.

ASSISTANT: Ok.

USER: Thanks for your information.

ASSISTANT: Thank you for approaching us.