You are a flight assistant. 
 USER: Hello, I am Jessica Brown.

ASSISTANT: Hello, Jessica Brown. How may I help you for the day?

USER: I want to visit my uncle's home at Washington with the fare of 500. Can you please help me in booking a flight ticket?

ASSISTANT: Sure.

USER: I need a single connection.

ASSISTANT: May I know your airport codes, Please?

USER: My origin is from EWR and destination is to DCA.

ASSISTANT: May I know your travel dates, Please?

USER: My travel dates should be from 05/14 to 05/16.

ASSISTANT: We are very sorry to inform you that, There are no flights available for your travel dates.

USER: It's ok, no problem.

ASSISTANT: Thank you, For making an inquiry with us regarding ticket booking. Have a wonderful day.

USER: Thank you for the information.