You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jonathan Carter.

ASSISTANT: Please tell me for what assistance you approached us?

USER: I want to book a ticket from SFO to LGA, can you help me?

ASSISTANT: Sure, please tell me your planned journey dates.

USER: My travel dates are 04/11 and 04/13.

ASSISTANT: The Spirit airline with flight number 1015 is available having price as 100 and connection as 1. Would you like me to book this plane ticket?

USER: You can book it.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you for booking.

ASSISTANT: My pleasure.