You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: I need to reach Washington to make a documentary about street children's so that I want to book a flight ticket with in the price limit 200.

ASSISTANT: Ok, may I know your name, please?

USER: I am John Phillips.

ASSISTANT: Can I know your preferred dates?

USER: My preferable travelling dates would be on 05/27 to 05/29.

ASSISTANT: May you share your airports codes?

USER: My origin airport is NY-EWR and my destination is DC-DCA.

ASSISTANT: Thank you for giving detailed details.

USER: Ok, make sure that I need one connection.

ASSISTANT: We found a flight on Spirit airline with single connection.

USER: Ok, you can go ahead with this airline.

ASSISTANT: Your ticket has been booked on flight number : 1003 with 100 fare.

USER: Thank you.

ASSISTANT: Thanks for choosing us.