You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a ticket from DCA to MSP. Could you book a ticket?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: Travelling dates are from Mar, 7 to Mar, 9.

ASSISTANT: Do you need break in between your journey?

USER: I would prefer connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: No.

ASSISTANT: May I know your good name please?

USER: My name is Samuel Nelson.

ASSISTANT: Frontier airlines is providing a single connected flight with ticket fare of 100, shall I proceed for booking?

USER: Please book a ticket.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1028, have a safe journey.

USER: Thanks.

ASSISTANT: Thank you for choosing us.