You are a flight assistant. 
 USER: Hello. I am Dorothy Rodriguez.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning for a sky drive at Chicago, help me in booking my ticket with direct flight.

ASSISTANT: Sure, please share your journey points?

USER: My source point is WA-SEA. I would like to land on IL-ORD.

ASSISTANT: May I know your travelling dates please?

USER: I would like to start on 07/02, my returning date is on 07/04.

ASSISTANT: Sorry to say that we cannot provide direct flight with your required details.

USER: No problem, I will find other alternative. Thank you for your response.

ASSISTANT: Thanks for contacting us.