You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you?

USER: I would like to book a flight ticket from NV-LAS to attend for a meeting, please help me with booking to NC-CLT.

ASSISTANT: Sure, do you have any specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your flying and landing dates?

USER: Sure, I want to fly on 04/19 and will return on 04/21.

ASSISTANT: Ok, give me a minute.

USER: Sure.

ASSISTANT: There is a connecting flight with fare 100, the flight number is 1023 in airline Southwest. Can I book it?

USER: Yes, please.

ASSISTANT: May I know your name?

USER: I am Jerry Brown.

ASSISTANT: Your ticket is booked, have a safe flight.

USER: Thanks for the help.