You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am David Gonzalez.

ASSISTANT: How can I help David?

USER: I have to book a flight ticket from the airport BOS on 08/14. Can you please help me?

ASSISTANT: May I know your travel dates?

USER: My return date is 08/16 from ATL.

ASSISTANT: There is a flight 1000 from Frontier airlines with 1 connection for you.

USER: If the ticket fare is 200, then please proceed with booking.

ASSISTANT: Your ticket is booked with price 100.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for choosing us.