You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you with?

USER: This is Christine Jones. I need your help for booking a flight ticket from WA-SEA to IL-ORD,can you do that?

ASSISTANT: Yes sure, I am here to help you. Could you please provide me your details?

USER: Sure. My travelling dates are 05/11 to 05/13.

ASSISTANT: Thank you, do you have any restrictions?

USER: Please remember one thing I need 1 connection limit and price range is 500.

ASSISTANT: OK, there is a flight-1028 of Spirit airline that which satisfy all your requests.

USER: Great,please confirm this flight ticket.

ASSISTANT: Thank you for confirmation, your flight has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a nice journey.