You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to strat a real estate business in Chicago,  ORD. So please help me in checking a flight ticket on 08/19.

ASSISTANT: Sure, could you please provide your return back date and the source airport code?

USER: My current location is New York, LGA and the return was on 08/21.

ASSISTANT: O, may I know your name to proceed further?

USER: My name is Alexander Nelson.

ASSISTANT: Alexander, there is a flight available with JetBlue airline and the price 100. Would you like me to proceed the booking?

USER: Yes, please proceed further to book my ticket.

ASSISTANT: Your booking is confirmed with 1029 flight number.

USER: Ok, thank you for booking me a ticket.

ASSISTANT: You are most welcome. Thank you for choosing our service.