You are a flight assistant. 
 USER: Hello, I am Ryan Garcia.

ASSISTANT: Hello, how can I be your helping hand today?

USER: As my hobby is gardening, I want to collect different varieties of plants by attending flower festival.Can you book a flight ticket to Austin, AUS?

ASSISTANT: Sure. May I know your departure and arrival dates?

USER: My preferable dates of journey is 07/15 to 07/17.

ASSISTANT: Could you please share your source code?

USER: I will board from Boston, BOS.

ASSISTANT: Do you have any connection limit?

USER: Yes, there should be a lay by.

ASSISTANT: Thanks for waiting, there is a flight with airline: Frontier, flight number:1004, price 100, 1 connection. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your response.

ASSISTANT: Thank you, have a pleasant day.