You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to book my ticket from ORD to IAD. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are from May 08 to May 10.

ASSISTANT: May I know your connection limit?

USER: I am looking for a direct flight in my journey.

ASSISTANT: Is there any class preference for you?

USER: No, I am comfortable with any class.

ASSISTANT: May I know your good name?

USER: Sure, myself Stephanie Lewis.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.