You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Elizabeth Young.

ASSISTANT: How can I  help you?

USER: I would like to travel from EWR to LAX, could you help me out?

ASSISTANT: Can I know your travelling dates?

USER: My preferable dates are from Jan 4 to Jan 6.

ASSISTANT: Connecting flight can be booked with airline Spirit for price 200. Shall I book a ticket?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked having flight number 1018.

USER: Thank you.

ASSISTANT: Thanks.