You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Nicholas Davis. Please help me in booking my flight ticket from DCA to DTW?

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are 02/14 and 02/16.

ASSISTANT: Do you have any preferences?

USER: I need connecting flight.

ASSISTANT: There is a connecting fight with number 1008 in airline Spirit, the fare is 100 in economy class. Can I book it?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.