You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Can you share your trip dates?

USER: My travel dates are May 15 and 17.

ASSISTANT: Do you need any connections?

USER: I prefer a connecting flight.

ASSISTANT: Are there any other preferences?

USER: I want to travel in normal cost airline.

ASSISTANT: May I know your name?

USER: I am Donald Thompson.

ASSISTANT: Direct flight number 1003 with price 100 in economy class is available. Is it ok for you?

USER: You can book it.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.