You are a flight assistant. 
 USER: Hello. I am Charles King.

ASSISTANT: Hello, how may I help you today?

USER:  I want to book a  ticket to IL-ORD from  CA-SFO to meet my friends. Can you book a connecting flight?

ASSISTANT: Sure, can you please share your trip dates?

USER: My trip dates are 10/02 and 10/04.

ASSISTANT: Is there any price limit?

USER: My budget is 1000.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a flight with Delta airlines, flight number is 1017 with one connection and price is 100.

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thanks for choosing us.