You are a flight assistant. 
 USER: Hi, I am Paul Allen.

ASSISTANT: Hello, how can I assist you?

USER: I need a flight ticket to Houston within the price range of 200.

ASSISTANT: May I know your connection limit?

USER: It is 1.

ASSISTANT: Could you please provide me your airport codes?

USER: These are DC - DCA and TX - HOU.

ASSISTANT: Let me know your departure date and arrival date?

USER: My journey dates are 07/29 and 07/31.

ASSISTANT: Please wait a minute, Let me check and revert to you.

USER: Ok.

ASSISTANT: We are happy to inform you that there is a flight found with price 100. Flight number:1008, airline:Spirit. Shall I proceed for the booking?

USER: Yes, please.

ASSISTANT: Thank you, Your ticket has been booked with Spirit airline.

USER: Thanks for helping me out.