You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: I am Brian Brown. As I am participating in Master Chef program, I would like to book a flight to Chicago.

ASSISTANT: Sure, May I know the complete details of your journey?

USER: Please book a flight to ORD from BOS. Travel dates are 07/14 and 07/16, with a price of 1000.

ASSISTANT: Thank you for the details. Please wait a moment, I will check the availability and get you back.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, We found a direct flight with AA airline and number 1025 matched your information. Shall I proceed for booking?

USER: Sure, I am ready to travel on particular dates, you can proceed to book.

ASSISTANT: Ok, Your booking has been done.

USER: I am glad at your service, Thank you.

ASSISTANT: Thank you for choosing us, Have a nice journey.