You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you now?

USER: I want to book a direct flight to New York, NY - LGA to attend press conference.

ASSISTANT: Ok, May I know your name please?

USER: I am Brenda Anderson.

ASSISTANT: Ok, can you specify your journey dates please?

USER: Sure, I want to travel on 04/08 and 04/10. Price can be under 5000.

ASSISTANT: May I know your origin airport?

USER: I want to start my journey from Chicago, IL - ORD.

ASSISTANT: Ok, Is there any connection limit for you?

USER: I need a direct flight.

ASSISTANT: Ok, please wait for a while. I will check and get back to you.

USER: OK.

ASSISTANT: We are sorry to say that, We did not found a direct flight for your journey.

USER: Ok, not at all a problem.

ASSISTANT: Thank you for contacting us. Have a pleasant day.

USER: Thanks for your response.