You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you aid me to book a flight ticket from JFK to ATL?

ASSISTANT: Please let me know your travelling dates.

USER: My trip dates are Dec 28 and Dec 30 respectively.

ASSISTANT: Is there any class preference?

USER: No class preferences for me.

ASSISTANT: Are there any specifications?

USER: I prefer for connecting flight to travel.

ASSISTANT: Found ticket with Delta airlines for price 400 having flight number 1000. Shall I book a ticket?

USER: Please proceed.

ASSISTANT: May I know your name?

USER: Anna Hill here.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.