You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: William Carter here. Please help me out in booking the ticket from DEN to ATL.

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: My trip dates will be Aug 17 to Aug 19.

ASSISTANT: Do you have any connection limit?

USER: 1 connection limit.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: There is a connecting flight from Frontier airlines with a ticket fare 100, shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with the flight-1009 in economy class.

USER: Thank you.

ASSISTANT: Welcome, have a safe trip.