You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you aid me to book my ticket from DCA to JFK?

ASSISTANT: Can I know your travel dates?

USER: My trip dates are Oct 18 and Oct 20 respectively.

ASSISTANT: Is there any connection limit?

USER: Make sure that I need a single connection.

ASSISTANT: Do you have any preference?

USER: No preferences for me.

ASSISTANT: Let me know your name.

USER: Barbara Garcia here.

ASSISTANT: Ticket is found with airline JetBlue for price 200 having flight number 1003.

USER: Proceed for booking.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.