You are a flight assistant. 
 USER: Hello,. I am William Wright.

ASSISTANT: Hello, How can I help you?

USER: I have a desire to travel in ferry, so I am planning to travel in Staten Island Ferry in New York, JFK. Can you please make a reservation from Washington, IAD?

ASSISTANT: Please help me with your travel dates.

USER: My journey start on 02/26 and I intend to return from New York on 02/28.

ASSISTANT: Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates. Thank you for opting us.

USER: Ok, no problem. Thank you.