You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me to book flight ticket from ATL to DEN?

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are Sept 17 and Sept 19.

ASSISTANT: Please share me your name.

USER: I am Deborah Wright.

ASSISTANT: Do you have any specifications?

USER: I prefer a connecting flight.

ASSISTANT: Flight-1005 is available with Frontier airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Yes, I am comfortable with this flight.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.