You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight from IAD to JFK?

ASSISTANT: Sure, please mention your class preference.

USER: I need an economy class.

ASSISTANT: Ok, when do you want to travel?

USER: My planned dates are on Oct 19th to 21st.

ASSISTANT: Ok, Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1008 Frontier Airlines with a fare of 200. Can I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Ok, May I know your name for booking purpose?

USER: Sure, Jennifer Williams is my name.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.