You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Amanda Miller. Can you please help me in booking my flight ticket from EWR to IAD?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My trip dates are 07/16 and 07/18 dates. Can you please search for direct flight.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Ok.

ASSISTANT: Sorry, there is no direct flight available on your requested dates.

USER: Ok, thank you checking.

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