You are a flight assistant. 
 USER: Hello, I am Joseph Allen.

ASSISTANT: Hello, how may I assist you for the day?

USER: I am planning to meet my colleague in Los Angeles, so please book a flight ticket from NC - CLT to CA - LAX.

ASSISTANT: Sure, we are glad to help you. Can you please provide your journey dates?

USER: I will start on 08/23, return on 08/25.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a UA airlines, flight number 1016, and the fare of 100. Shall I proceed?

USER: You can reserve it.

ASSISTANT: Your ticket has been reserved in economy class with connecting flight.

USER: Thank you.

ASSISTANT: Thank you for reaching us.