You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Please help me in booking flight ticket from IAD to CLT.

ASSISTANT: May know your trip dates?

USER: My trip dates are Oct 14 to Oct 16.

ASSISTANT: Can I have your connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: May I know your name?

USER: Paul Wright.

ASSISTANT: There is a flight available on your route with single connection and class is economy.

USER: You can proceed.

ASSISTANT: Your ticket is booked with flight number 1010 and airline is UA.

USER: Thank you.

ASSISTANT: Welcome, have a safe flight.