You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sharon Baker.

ASSISTANT:  How can I help you?

USER: I want to book a flight ticket from DC - DCA to NV - LAS, so please help me in booking a flight ticket.

ASSISTANT: Sure, may I know your travel dates?

USER: I want to fly on 09/14 and return on 09/16.

ASSISTANT: Do you have any preference?

USER: Yes, I need a halt.

ASSISTANT:  We found a connecting flight Frontier with Flight number 1009 and fare is 100.

USER: You can proceed to booking.

ASSISTANT:  Your booking is done.

USER: Thank you.

ASSISTANT:  Thank you for availing us.,.