You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I need to book a ticket from DCA to LAS.

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: Travelling dates are from Jan, 4 to Jan, 6.

ASSISTANT: Do you need any break?

USER: I would prefer connecting flight.

ASSISTANT: May I know your name?

USER: My name is Kenneth Thomas.

ASSISTANT: Is there any other specifications?

USER: I would like to depart in the morning.

ASSISTANT: We found a connecting flight with an Spirit airlines, flight number:1009.

USER: Please book a ticket.

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

USER: Thanks.

ASSISTANT: Thank you for reaching us.