You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight ticket from BOS to CLT?

ASSISTANT: Sure, please provide me your itinerary travel dates.

USER: I want to fly on July 19 and return on July 21.

ASSISTANT: May I know if you have any connection limit?

USER: I need a single connection.

ASSISTANT: Are there any more preferences that you want to avail?

USER: No.

ASSISTANT: Let me know your name please.

USER: Myself George Mitchell.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: United Airlines with flight 1004 is providing service on your route with connecting flight and the cost is 200.

USER: You can proceed to booking.

ASSISTANT: Your ticket is booked where departure BOS 3:00 hours July 19 and arrival CLT 21:00 hours July 21.

USER: Thank you.

ASSISTANT: Thank you for reaching us.