You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Larry Phillips. Can you please help me in flight ticket booking process from EWR to DCA?

ASSISTANT: Sure, can I know the travel dates please?

USER: Thank you for your response, I want to take off on Dec 12 and book my return ticket also on Dec 14.

ASSISTANT: Could you provide the departure and return time please?

USER: I want to take off in morning time.

ASSISTANT: Do you have any requirements?

USER: I want a direct flight.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Oh! It's ok no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your information.