You are a flight assistant. 
 USER: Hi, I am Margaret Evans.

ASSISTANT: Hello, how may I assist you today?

USER: I want to meet my friend who stays near to Comerica park at Detroit, can you pleas book my ticket?

ASSISTANT: Sure, please share your travelling dates?

USER: My travelling dates are from 02/17 to 02/19.

ASSISTANT: Kindly mention your airport codes?

USER: My airport codes are from Washington, DC-DCA to Detroit, MI-DTW.

ASSISTANT: We found a connecting flight with fare of 100 in Frontier airline. Shall I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for opting us.