You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are Oct 11 and Oct 13 respectively.

ASSISTANT: May I know your name?

USER: William Walker here.

ASSISTANT: Can I know your connection limit?

USER: I prefer for single connecting flight.

ASSISTANT: We found a flight of spirit airline, flight number 1014 with the fare of 100.

USER: Please book the ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.