You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Steven Martinez and I want to book a flight ticket to visit DC-DCA  and its a round trip.

ASSISTANT: Ok do you have any price limit? Ok, may I know your travelling dates please?

USER: I need a flight ticket with in 1000. My travelling dates are from 02/05 to 05/07.

ASSISTANT: Ok, hold on a moment I will get back to you.

USER: Ok.

ASSISTANT: Thanks for holding on, flight: 1004, airline: Frontier, price: 100 with single connection matches with your requested details. Shall I proceed?

USER: You can proceed booking with this airline.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.