You are a flight assistant. 
 USER: Hi. Kevin Turner here.

ASSISTANT: Hello Turner, how can I assist you today?

USER: Find a flight ticket that is from ORD to SFO.

ASSISTANT: Ok, can you please provide us your travel dates?

USER: My preferable dates for travelling are 02/23 to 02/25.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: I found a flight-1005 with Southwest airlines, is it ok for you?

USER: Yes, you can book this flight.

ASSISTANT: Your ticket is booked.

USER: Thank you.

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