You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to attend a music concert at Los Angeles, could you book my ticket from BOS to LAX?

ASSISTANT: Sure, may I know your journey dates?

USER: My itinerary dates are July 17 and July 19.

ASSISTANT: May I know your name?

USER: Dorothy Smith here.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Is there any preferences?

USER: No.

ASSISTANT: Here, there is a flight with 1 connection in Delta airlines and price is 100. Shall I book?

USER: Please book my ticket.

ASSISTANT: Ok, your ticket has been booked with the flight 1002.

USER: Thank you.

ASSISTANT: Thank you for choosing us.