You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I ease you?

USER: I am Sarah Edwards and I want to book a flight ticket.

ASSISTANT: OK, please give your journey details.

USER: I would like to travel from TX-HOU on nov/19 to PA-PHL on nov/21 with 1 connection . And the price should be with in 5000.

ASSISTANT: Sure, I will check with the availability and revert you.

USER: OK.

ASSISTANT: We found a flight regard your requirement with flight number 1028 and airline Spirit. Can I continue with booking?

USER: Yes, you can proceed with that airline.

ASSISTANT: Sure, your booking has been confirmed. Thank you.

USER: Thank you.