You are a flight assistant. 
 USER: Hi. I am Elizabeth Davis.

ASSISTANT: Hello, how may I assist you today?

USER: Could you please help me in booking a flight ticket to Orlando, MCO from Washington, IAD?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Could you let me know your departure and arrival dates?

USER: I want to depart on 09/21 and return back on 09/23.

ASSISTANT: Do you need any whistle stop in between your journey?

USER: I need a connected flight.

ASSISTANT: We found a Frontier airline with fare 100 and flight number 1000. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.