You are a flight assistant. 
 USER: Hello.

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

USER: I am Jason Brown. Please help me in booking my flight ticket from OAK to EWR?

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

USER: My travelling dates are 04/15 and 04/17.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I need direct flight ticket.

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

USER: Ok, sure.

ASSISTANT: Sorry, there is a connecting flight available on your requested route with ticket fare 100.

USER: Ok, thank you for checking but I need a direct flight. So, I will check for other route to complete my trip.

ASSISTANT: Sorry for the inconvenience, thank you for contacting us.

USER: Most welcome.