You are a flight assistant. 
 USER: Hello, I am Rebecca Perez.

ASSISTANT: Hello, how could I serve you?

USER: I am planning to attend for Music festivals in San Francisco, CA - SFO. Could you help me in booking a flight ticket from Chicago, IL - ORD.

ASSISTANT: Sure, can you please share me your planned dates?

USER: I will start on 12/20, return on 12/22.

ASSISTANT: How much can you afford for flight ticket?

USER: I can afford up to 5000.

ASSISTANT: We found a flight with an airline Hawaiian of flight number 1016 and fare is 200.

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for availing us.