You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Aid me in booking a flight ticket from IAH to DCA.

ASSISTANT: Sure, please share your journey dates?

USER: I preferred to travel in between July 02 and July 04.

ASSISTANT: Do you have any specifications?

USER: I don't have any other requirements.

ASSISTANT: Is there any class preferences?

USER: No.

ASSISTANT: May I know your good name?

USER: Jason Parker here.

ASSISTANT: We found a direct flight in United airlines, flight number is 1011 and price is 200 economy class. Shall I proceed?

USER: Sure, proceed to book it.

ASSISTANT: Your ticket has been booked.

USER: Thanks for booking.

ASSISTANT: Thank you for choosing us.