You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donna Lee.

ASSISTANT: How can I assist you today?

USER: I am planning to book a ticket to book a ticket from HOU to DEN. Can you please help me out to book a ticket for me?

ASSISTANT: Sure, can you please share your travel dates?

USER: I would like to travel on 08/17 and return back on 08/19.

ASSISTANT: Let me check for the availability of flight.

USER: Sure.

ASSISTANT: Donna, there is a flight available with price 200 and the connection limit is 1 with JetBlue airline. Would you like me to proceed with the booking?

USER: That's fine, please proceed the booking.

ASSISTANT: Your booking is confirmed with 1000 flight number.

USER: Thank you for your service.

ASSISTANT: You are welcome.