You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Brian Anderson here.

ASSISTANT: How may I assist you?

USER: Reserve a flight ticket that is from DFW to PHL. For my business trip.

ASSISTANT: Sure, I will help you with that. May I know your travelling dates to proceed further?

USER: My preferable dates for travel are 06/22 to 06/24. I need a connecting flight.

ASSISTANT: UA airlines is providing you a flight with 1 connection limit and fare is 200, shall I proceed with booking?

USER: You can book it.

ASSISTANT: Your ticket is confirmed with the flight number 1001.

USER: Thank you.

ASSISTANT: Welcome.