You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My sister is planning to visit freedom park in CLT, could you book a ticket from EWR?

ASSISTANT: May I know your required dates?

USER: My preferred dates are 04/21 and 04/23. As my sister will join me, make sure the flight has 1 connection. My name is Barbara Carter.

ASSISTANT: I found a flight for you with flight number 1021 and airline is Delta. Shall I proceed?

USER: Please book the ticket.

ASSISTANT: Your booking is confirmed. Thank you for choosing us.

USER: Thank you for assisting me.