You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to attend for Cultural festival at New York, NY - JFK. Can you please book a ticket on the name of Charles Davis?

ASSISTANT: Sure, when would you like to depart and return?

USER: I will depart on 02/20 and return on 02/22.

ASSISTANT: May I know your boarding point?

USER: Sure, I want to start from Boston, MA - BOS.

ASSISTANT: Ok, how much you can spend for flight ticket?

USER: I can spend up to 1000.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a direct flight, flight number: 1011, airline: Southwest, price: 100. Shall I proceed to booking?

USER: No, I need a halt. Thank you.

ASSISTANT: Ok, thank you for opting us.