You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you at this minute?

USER: Can you please help me with booking a flight ticket from EWR to ORD?

ASSISTANT: Ok, I am glad to help you with that. Can I know your planned trip dates?

USER: My travelling dates are from Feb 14-16.

ASSISTANT: Can I know your good name?

USER: Anthony Baker here.

ASSISTANT: Do you have any other requirements?

USER: I would be comfortable with single stop over.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights available based on your travelling dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.