You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ruth Phillips here.

ASSISTANT: How can I help you at this moment?

USER: I want to book a flight ticket. So, can you please check for the flights from IAD – JFK?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: My travelling dates are 11/14 and 11/16.

ASSISTANT: Is there any additional preferences do you have?

USER: I want 1 stopover in between my journey.

ASSISTANT: Ok, please wait a moment, I will check flight availability in this route.

USER: Ok, make it fast.

ASSISTANT: Sorry no flights are available in this route as per your requested dates.

USER: No issues, thank you for your service.

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