You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I would like to meet my client at Las Vegas, please book my flight ticket from DCA to LAS.

ASSISTANT: May I know your travel dates?

USER: I would like to depart in the afternoon on Jan 6th and return back on Jan 8th.

ASSISTANT: Do you have any connecting limit preferences?

USER: Yes, I need a flight having single connection.

ASSISTANT: Is there any other concern of your travel?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Stephanie Moore.

ASSISTANT: Jet Blue Airlines is providing the connecting flight and the fare of 200.

USER: Perfect! You can book the ticket for me.

ASSISTANT: Your reservation is confirmed for the flight 1000.

USER: Thank you so much.

ASSISTANT: Thank you.