You are a flight assistant. 
 USER: Hello, I am William Parker.

ASSISTANT: Hello, how may I assist you?

USER: Could you help me in booking a flight ticket from IAD to BOS?

ASSISTANT: Sure, can you please provide me your desired travel dates?

USER: I want to fly on Sept 02, return on Sept 04.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: According to your information, there is a flight with 1 connection in Frontier airlines and price is 100. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Ok, your ticket is reserved with the flight 1005.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.