You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Joseph Phillips. I have a business meeting at Las Vegas this weekend. Can you please help me in reserving the ticket from DCA to LAS?

ASSISTANT: Sure, please share your journey dates?

USER: I am planning my trip on Sept 09, and again I will return back on Sept 11.

ASSISTANT: Do you have any other specifications to be met?

USER: I am flexible with single connection.

ASSISTANT: We found a Flight in Frontier airlines, flight number is 1002 with one connection and price is 200.

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.