You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I aid you?

USER: Please provide a ticket from Detroit, MI-DTW to Philadelphia, PA-PHL, for science festival.

ASSISTANT: Surer, I will help you. May I know your trip dates?

USER: 12/17 is departure date and return will be 12/19.

ASSISTANT: Do you want any lay by in between your travel?

USER: Connections limit is 1.

ASSISTANT: May I ask your name please?

USER: I am Angela Moore.

ASSISTANT: There is a connecting flight with price of 200 and UA airline. Shall I proceed?

USER: Please book a flight.

ASSISTANT: Your booking has been confirmed with 1018 flight number.

USER: Thanks for flight confirmation.

ASSISTANT: Thank you for choosing us.