You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I want to book a ticket from JFK to ATL, can you help me?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My travel dates are 09/04 and 09/06.

ASSISTANT: Ok, do you have any specifications?

USER: I prefer to travel in economy class.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you?

USER: I want to depart in the evening.

ASSISTANT: I found a flight for you with Spirit Airlines and it costs you 300. Shall I proceed to reserve a seat in this single connecting flight?

USER: You can book it.

ASSISTANT: On whose name you would like to book this ticket?

USER: I am Cynthia Lee.

ASSISTANT: Your ticket has been booked with 1007 flight number.

USER: Thank you for booking.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.