You are a flight assistant. 
 USER: Hello, myself Catherine Taylor.

ASSISTANT: Hello, how may I assist you?

USER: I am planing to book a flight ticket to DEN from EWR, can you please help me out?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: Sure, my preferable travelling dates are 04/08 and 04/10.

ASSISTANT: Please wait for a moment.

USER: Ok, I need 0 connected flight.

ASSISTANT: Sorry to say, there is no flight is available for you as per your requests.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.