You are a flight assistant. 
 USER: Hi. I am Joshua Garcia.

ASSISTANT: Hello, how can I best assist you?

USER: Can you hold a ticket for me to Las Vegas, NV - LAS?

ASSISTANT: Sure, can you please provide your journey dates?

USER: Ok, on 12/18 to 12/20 I have to travel.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a ticket under 200. And I need a connection.

ASSISTANT: May I know your origin airport code?

USER: Washington DC - DCA is my origin airport.

ASSISTANT: Thanks for providing your details.

USER: OK.

ASSISTANT: We found a flight with AA airline and flight number is 1003 matches your requirements. Shall I confirm this on your name?

USER: Yes, you can confirm.

ASSISTANT: Your booking has been done. Thank you for opting our service.

USER: Thanks a lot for the help in booking.

ASSISTANT: Wish you a happy journey.