You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service?

USER: I am planning to visit Houston. Can you do the reservation?

ASSISTANT: Sure, I can help you with that. When are you planning to make your trip?

USER: My trip dates are 10/18 and 10/20.

ASSISTANT: How much fare are you expecting?

USER: Price limit is 500.

ASSISTANT: Could you please provide me your journey points?

USER: My airport codes are SFO-HOU.

ASSISTANT: Do you need a flag stop with in your route?

USER: I need break in my journey.

ASSISTANT: Frontier airline with flight number 1004 is going on your way and the fare is 100. Shall I proceed with this booking?

USER: Go ahead.

ASSISTANT: On what name should I book the ticket?

USER: I am Patrick Hall.

ASSISTANT: Your booking has been confirmed with the name you provided.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.