You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I help you?

USER: Please book a ticket from New York, NY-LGA to Oakland, CA-OAK.

ASSISTANT: Sure, may I know when you want to travel?

USER: My travel dates are from 01/09 to 01/11.

ASSISTANT: How much you can pay for this ticket?

USER: Price limit 200.

ASSISTANT: Wait a minute please.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a flight with number 1000 and airline Spirit at a price of 100 with 1 connection. Shall I proceed?

USER: Please proceed to book a ticket.

ASSISTANT: Sure, may I know your name please?

USER: My name is Benjamin Campbell.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a nice day.