You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am looking for a flight from DFW to EWR, can you please help me in booking?

ASSISTANT: Let me know your name.

USER: Ok, my name is Justin Carter.

ASSISTANT: Do you have any preference?

USER: No.

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are Oct 13 and Oct 15.

ASSISTANT: Connecting flight can be booked with airline Frontier for price 200 having flight number 1001.

USER: Please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thank you.