You are a flight assistant. 
 USER: Hello.

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

USER: I am Jack Jones. I want to visit Cloud Gate in Chicago, Can you please book a ticket for me?

ASSISTANT: Sure, May I know your source point and journey dates?

USER: Airport codes are from OAK to ORD. My depart is on 03/21 and return is on 03/23 with price limit 200.

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

USER: Ok.

ASSISTANT: Thank you for waiting, We found a direct flight with flight number 1029 and airlines AA with price 100 matched your information.

USER: You can proceed with the booking.

ASSISTANT: Your booking has been done.

USER: Thank you.

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