You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Myself Steven Jones, I would like to book a flight from EWR to DEN for project meeting. Can you please help me in booking my ticket?

ASSISTANT: Sure, may I know your preferable dates?

USER: My journey dates are from 08/14 to 08/16.

ASSISTANT: Sorry Jones, there is no flight found with your requested dates.

USER: No problem, thank you checking.

ASSISTANT: Thank you for reaching us, have a good day.