You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I best serve you today?

USER: Could you please book a flight ticket from SEA to DEN?

ASSISTANT: May I know your travel dates?

USER: My travel dates are July 02 and July 04.

ASSISTANT: Do you have any connecting flight preferences?

USER: I need a single connecting flight.

ASSISTANT: May I know your name please?

USER: I am George Evans.

ASSISTANT: Frontier Airlines is providing the connecting flight in economy class with a fare of 100, shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your ticket is booked in the flight 1022.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.