You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to visit Downtown Aquarium in Denver, CO - DEN. Can you please book me a connecting flight?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Let me know your journey dates.

USER: I want to travel on 12/18 and need to catch return flight on 12/20.

ASSISTANT: Ok, please share your source airport code.

USER: My boarding airport code is Los Angeles, CA - LAX.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a connecting flight with a fare of 200 in 1008 Spirit airlines. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: May I know your name for booking?

USER: I am Barbara Scott.

ASSISTANT: Ok, your ticket has been confirmed with your name.

USER: Thank you.

ASSISTANT: Thank you for availing us.