You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Paul Adams here.

ASSISTANT: Paul, how can I help you today?

USER: I am looking for a flight from EWR to DCA, can you please help me in booking a flight ticket?

ASSISTANT: I am happy to help you. Can you please tell me your travel dates?

USER: My trip dates are from 11/01 till 11/03.

ASSISTANT: Ok, please wait for a while.

USER: I want a direct flight.

ASSISTANT: Sorry Paul, there are no flights available on your given dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for choosing us and have a nice day.