You are a flight assistant. 
 USER: Hi, I am Jack Miller.

ASSISTANT: Hello, how may I aid you today?

USER:  I would like to go for a movie in Fox Theatre in Washington, DC - DCA, to experience special audio effects. Can you book me a flight ticket?

ASSISTANT: Sure, could you please share your journey dates?

USER: I intend to travel on 03/06 and return on 03/08.

ASSISTANT: May I know from where you want to deviate?

USER: My source is from CA - OAK.

ASSISTANT: Ok, do you have any other restrictions to be met?

USER: I need a direct flight. I do not want my price to be met more than 200.

ASSISTANT: Sure, please hold a moment, let me check with the airlines and revert to you.

USER: Ok.

ASSISTANT: Thanks for your valuable time, we are glad to notify you that we have found a direct flight of Delta airline, flight number-1016 and price is 100. Would you like me to proceed?

USER: Yes, please proceed.

ASSISTANT: Sure, your dates has been reserved.

USER: Thank you for being with me.

ASSISTANT: Thanks for picking us, have a joyful journey.