You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am planning to travel from DCA to DTW, help me in booking a a flight?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My travelling dates are Apr 15 to 17.

ASSISTANT: May I know your name?

USER: I am Larry Evans.

ASSISTANT: Do you have any connection preferences?

USER: I prefer to travel in single connection flight.

ASSISTANT: May I know your airline preferences?

USER: I don't have any airlines preferences.

ASSISTANT: There is a economy class flight 1010 of Spirit airlines, can I proceed?

USER: Proceed for booking.

ASSISTANT: Your booking is done with a connecting flight.

USER: Thank you.

ASSISTANT: Thank you for choosing us.