You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I have to attend a Live Concert at Detroit, could you please help me with booking a flight ticket from BOS to DTW?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I would like to depart on July 19th and return on July 21st.

ASSISTANT: Do you have any preferences about flight connections?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any preferences about class?

USER: I have no other preferences.

ASSISTANT: Please mention your name.

USER: I am Betty King.

ASSISTANT: The Frontier airlines providing an airlines providing an economy class flight with price 100. The flight is direct flight. Shall I confirm your ticket?

USER: Please confirm the booking.

ASSISTANT: Your ticket is booked. The flight number is 1018.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Welcome, have a great day.