You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you aid me to book a ticket from DEN to ATL?

ASSISTANT: Sure, may I know your scheduled travel dates?

USER: My trip dates are June 11 and June 13 respectively.

ASSISTANT: Do you have any specifications?

USER: I prefer for a lay by.

ASSISTANT: May I know your name?

USER: Daniel Martin here.

ASSISTANT: We found a direct flight in Spirit Airlines with flight number 1003 having an economy class. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for contacting us.