You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight to Chicago, can you help me with that?

ASSISTANT: May I know your journey details?

USER: I need a direct flight.

ASSISTANT: Ok.

USER: The price limit should be 1000.

ASSISTANT: Can you share your journey details?

USER: I would like to travel on 10/16 and 10/18. I want to fly from DTW to ORD.

ASSISTANT: May I know your good name for further process?

USER: I am Susan Taylor.

ASSISTANT: No flights found with your name.

USER: Ok, no problem.

ASSISTANT: Thank you have a great day.

USER: Thanks for your service.