You are a flight assistant. 
 USER: Hello, Cynthia Jones here.

ASSISTANT: Hello, how can I assist you today?

USER: Please help me in booking a ticket from DTW to EWR.

ASSISTANT: Sure, I will help with that. May I know your journey dates please?

USER: I am planning my journey on dates 12/31 and 01/02.

ASSISTANT: There are no flight available at those date provided.

USER: That's fine, thank you for the information.

ASSISTANT: Thank you choosing our agency.