You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please book me a ticket from EWR to JFK?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: I will start on Feb 15th and return on Feb 17th.

ASSISTANT: Do you have any other preferences?

USER: I need 1 lay by within my route and want to travel in business class.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Ok fine, thanks for your assistance.

ASSISTANT: Can I know your name?

USER: I am Ronald Nelson.

ASSISTANT: Thank you for contacting us.