You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name please?

USER: My name is Debra Roberts.

ASSISTANT: Ok Roberts, how may I help you?

USER: I need you help in booking a flight ticket from PHL to IAD.

ASSISTANT: Sure, please provide your travel dates?

USER: My travelling dates are from 12/17 to 12/19.

ASSISTANT: Ok, the flight airlines Southwest with the flight number 1001 is available for you. Shall I proceed to book the ticket?

USER: May I know the price and connection of this flight?

ASSISTANT: The connection limit is 1 and the price is 100.

USER: Ok, please book my ticket.

ASSISTANT: Ok, your ticket is confirmed. Thank you for contacting us.

USER: Thank you.