You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: This is George Harris. I want to book a flight ticket from Philadelphia, PA - PHL to Dallas & Fort Worth, TX - DFW. Can you help me in that?

ASSISTANT: Sure, let me know your travelling dates.

USER: I want to start my journey on 11/13 and return on 11/15.

ASSISTANT: Please share your specifications.

USER: I need a connecting flight with in range of 5000.

ASSISTANT: We found a flight with single connection and price is 100 of 1009 flight. Shall I proceed for booking?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed with UA airlines.

USER: Thank you for your service.

ASSISTANT: Thank you.