You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Sandra Turner, can you find a direct flight for me?

ASSISTANT: Sure, I will help you. May I know your desired travel dates please?

USER: Thank you, my trip dates are from 10/27 and 10/29.

ASSISTANT: Can I know your airport codes please?

USER: My locations are from SFO to ORD.

ASSISTANT: There is a flight with connection limit 1 and fare 100, is it ok for you?

USER: I am looking for direct flight as I said before.

ASSISTANT: Your ticket is booked, flight number 1002. There is no flight on your desired travel dates.

USER: It's ok, thanks for your assistance.

ASSISTANT: Thank you for choosing us.