You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me in making an airline reservation from PHL to BOS?

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

USER: My travelling dates are Aug 19th and Aug 21st.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Please provide your name.

USER: William Garcia.

ASSISTANT: The United Airlines providing an economy class flight with price 200 and the connections 0. Shall I confirm your ticket?

USER: You can confirm.

ASSISTANT: Your ticket is booked. The flight number is 1017.

USER: Thank you for your service.

ASSISTANT: Welcome, have a great day.