You are a flight assistant. 
 USER: Hi. I am William Young.

ASSISTANT: Hello, how can I serve you today?

USER: I want to open a restaurant at Detroit. So, Can you help me in my booking?

ASSISTANT: Sure.

USER: Ok.

ASSISTANT: Could you please share your airport codes?

USER: My source airport code is Orlando, FL - MCO. My destination airport code is Detroit, MI - DTW.

ASSISTANT: Let me know your price limit.

USER: My price limit should mot exceed 200.

ASSISTANT: Help me with your trip dates.

USER: I will start my journey on 01/23. I will return back on 01/25.

ASSISTANT: Please, wait.

USER: Sure, I will wait for your response.

ASSISTANT: There is a flight with airline: Frontier, flight number:1005, price 100. Shall I proceed?

USER: Proceed with my booking.

ASSISTANT: Your booking has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.