You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Please help me to book a flight ticket from DEN to IAD.

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: On what dates you want me to book the ticket?

USER: My travel dates are from Feb, 02 to Feb, 04.

ASSISTANT: Do you need a break in the middle of your way?

USER: I need a single connecting flight.

ASSISTANT: Would you like to avail any benefits for the comfort of your journey?

USER: No.

ASSISTANT: May I know your name?

USER: Brandon Allen.

ASSISTANT: We found a connecting flight with an Spirit airlines, flight number:1005. Can I reserve it?

USER: Please book it.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.