You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me booking a flight ticket from IAD to PHX?

ASSISTANT: Sure, I am here to help you. Could you please share your travel dates?

USER: I will start on 04/21 and return on 04/23.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a break in my journey.

ASSISTANT: May I know your name?

USER: I am Barbara Carter.

ASSISTANT: Is there any specifications?

USER: No.

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

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket has been booked with the flight 1015.

USER: Thank you.

ASSISTANT: Thank you for choosing us.