You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Me and my friends are planning to visit Dalla's west village food festival tour to taste variety of foods.

ASSISTANT: Ok.

USER: Could you please help me with booking on 07/14?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can I know your return date?

USER: I intend to return on 07/16.

ASSISTANT: How much you can afford for ticket?

USER: My affordable price for flight ticket is 1000.

ASSISTANT: Let me know your origin and destination airport codes?

USER: My boarding point is Houston TX-HOU and landing point is Dallas TX-DFW.

ASSISTANT: Ok, please wait a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting, we found a perfect flight for you of UA airline, flight number as 1001. It is connecting flight and it cost only 100. Shall I book it?

USER: You can proceed with booking.

ASSISTANT: May I know your name for further booking process?

USER: I am Sarah Phillips.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your prompt service.

ASSISTANT: Thank you for reaching our agency.