You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: I want to book a ticket from LAS to BOS, can you help me?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My travel dates are Feb 21 and 23.

ASSISTANT: Ok, do you have any specifications?

USER: I prefer a connecting flight.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Sure.

ASSISTANT: I found a flight for you with American Airlines and it costs you 100. Shall I proceed?

USER: Book the ticket in the name of Stephanie Hall.

ASSISTANT: Your ticket has been booked with 1005 flight number.

USER: Thank you for booking.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.