You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Help me in booking a flight from DCA to MSP?

ASSISTANT: Sure, we are here to help you. May I know your itinerary dates?

USER: My travelling dates are June 15 to 17.

ASSISTANT: Do you need any break in your journey?

USER: Yes, I need single connection flight.

ASSISTANT: May I know your depart and arrival time?

USER: I am comfortable in any time.

ASSISTANT: May I know your good name please?

USER: I am Patricia Hill.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: There is a connecting flight with fare of 100 and 1016 flight number. Shall I proceed?

USER: Proceed for booking.

ASSISTANT: Your seat has been reserved with Frontier airline in economy class.

USER: Thank you.

ASSISTANT: Thank you for availing us.