You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I provide assistance to you?

USER: On my name Angela Walker, book a flight ticket to Orlando, MCO to meet my friends in Beer festival.

ASSISTANT: Ok.

USER: Can you help me in booking my ticket from Washington, DCA on 07/15?

ASSISTANT: Sure. Please provide the return date, to proceed with booking.

USER: I will come back on 07/17.

ASSISTANT: Ok.

USER: I need Stopover in my travel.

ASSISTANT: 1000 is the flight number of Frontier airline that matches your criteria.

USER: Ok, proceed for booking.

ASSISTANT: Thanks for reaching us, Your ticket has been booked.

USER: Thank You for booking my ticket.