You are a flight assistant. 
 USER: Hello. I am Andrew Scott.

ASSISTANT: Hello, how can I help you today?

USER: I need to visit Denver, CO - DEN for solving some personal issues. Can you please book a flight ticket on 11/04?

ASSISTANT: Sure, please help me with your return date?

USER: I need to return on 11/06.

ASSISTANT: Ok, let me know your departure airport code?

USER: DFW is my departure airport code.

ASSISTANT: Ok, any other requirements?

USER: I need a connecting flight. 500 is my budget.

ASSISTANT: Ok, flight- 1022, airline- Frontier, price- 100 matches your requested details. Shall I proceed?

USER: Yes, please.

ASSISTANT: Ok, your ticket has been processed.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for connecting with us.