You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I need to travel from Washington DC-DCA to Oakloand CA-OAK.

ASSISTANT: Please provide your dates of travelling?

USER: Ya sure.

ASSISTANT: Kindly, mention your price limit and connection limit?

USER: Depart is on 09/02 and returning on 09/04. Price limit is 200 and at least with one single connection.

ASSISTANT: Please hold on, I will check the availability of flight and back to you.

USER: OK.

ASSISTANT: We found a flight with JetBlue airlines of flight 1004. Shall I book it for you?

USER: Ya proceed.

ASSISTANT: Your seat has been reserved. May I know your good name please?

USER: Thank you. I am Ruth Taylor.

ASSISTANT: Thank you for approaching us.