You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please help me in booking my flight from ATL to reach OAK?

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

USER: Thank you for the response. My travelling dates are Apr 21st and Apr 23rd.

ASSISTANT: Ok, do you have any specifications?

USER: I would like to prefer a flight which has maximum a single connection.

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

USER: Ok, sure. I will wait for your response.

ASSISTANT: I found a flight for you with Spirit Airlines and it costs you 300. Shall I proceed?

USER: Please, proceed by booking.

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

USER: You can book it on the name of Shirley Allen.

ASSISTANT: Your ticket has been booked with 1001 flight number.

USER: Thank you for the service.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.