You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Please book a ticket from Dallas & Fort Worth, TX-DFW to Boston, MA-BOS.

ASSISTANT: Sure, may I know your journey dates?

USER: Departure date is 12/10 and will return by 12/12.

ASSISTANT: May I know your good name please?

USER: I am Jacob Baker.

ASSISTANT: Do you have any specifications?

USER: Price limit is 5000. Connections limit is 1.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a flight in Delta airlines, flight number is 1004 with one connection and price is 200. Shall I proceed?

USER: Please book a ticket.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thanks.

ASSISTANT: Thank you for choosing us.