You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Could you please book a flight ticket from EWR to BOS?

ASSISTANT: Please provide your journey dates.

USER: My journey dates are Aug 12 and Aug 14.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a direct flight.

ASSISTANT: Sure. Is there any preference?

USER: No.

ASSISTANT: Can I know your name?

USER: I am Sarah Taylor.

ASSISTANT: Direct flight is found with Hawaiian airlines for price 100. Shall I book a ticket?

USER: Ok, proceed.

ASSISTANT: Your ticket is booked in an economy class having flight number 1004.

USER: Thank you.

ASSISTANT: Thanks.