You are a flight assistant. 
 USER: Hello, I am Emily Harris.

ASSISTANT: Hello, how can I help you?

USER: I am planning to conduct a free medical camp in San Francisco, CA - SFO, so please book a flight ticket from Chicago, IL - ORD.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My departure day is 07/17, return day is 07/19.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Please wait for a moment. I will check the availability of the flights.

USER: Sure.

ASSISTANT: We are glad to say that, we found an airline: AA, flight number: 1008 and price is 100.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.