You are a flight assistant. 
 USER: Hello. I am Frank Hill.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Can you help me in booking a flight ticket on 01/17 to Detroit for shopping?

ASSISTANT: Sure, when are you willing to return?

USER: I need to return on 01/19.

ASSISTANT: Where you will start your journey?

USER: I will start my journey at San Francisco, CA - SFO.

ASSISTANT: Where you need to go on 01/17?

USER: I need to go to Detroit, MI - DTW.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a connecting flight. 200 is my budget.

ASSISTANT: There is a connecting flight with Jet Blue airline. Shall I proceed to book a flight under price of 100?

USER: Yes, please.

ASSISTANT: Your booking has been confirmed with 1001 flight number.

USER: Thank you.

ASSISTANT: Thank you for availing us, have a mirthful day.