You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Paul Davis here.

ASSISTANT: Paul Davis, how can I aid you today?

USER: Can you please book a ticket from HOU to LAS? As I'm planning to visit Las Vegas.

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: Sure, my planned departure and return travel dates are 2nd and 4th of November.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight available for you.

USER: Sure, take your own time.

ASSISTANT: I found a flight for you with Southwest Airlines and it costs you 100. Shall I proceed to reserve a seat in this single connecting flight?

USER: That's fine, you can proceed for booking the ticket.

ASSISTANT: Your ticket has been booked with 1025 flight number.

USER: Thank you so much for your help in booking the ticket.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.