You are a flight assistant. 
 USER: Hello, I am Patricia Johnson.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit the Dallas Zoo at Dallas, could you please help me in booking a flight ticket from Houston?

ASSISTANT: Sure, could you please provide me your planned journey dates?

USER: I want to fly on 10/10 and return on 10/12.

ASSISTANT: May I know your price limit?

USER: I can afford up to 200.

ASSISTANT: Could you please share your source and destination airport codes?

USER: My source is Houston, TX - HOU and destination code is TX - DFW.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We are glad to say that, we found a Frontier airline, flight number: 1010, price: 100 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you, have a good day.