You are a flight assistant. 
 USER: Hello, I am Christine Clark.

ASSISTANT: Hello, how may I aid you?

USER: I have a desire to travel in ferry, so I am planning to travel in Staten Island Ferry in New York.

ASSISTANT: Ok.

USER: Can you aid me in booking?

ASSISTANT: sure, we are here to serve you. Can I have your airport codes please?

USER: I want to start from my nearest airport TX - IAH, Houston. Destination is NY - EWR.

ASSISTANT: If you have any specifications, please let me know.

USER: Make sure that it was a direct flight.

ASSISTANT: May I know your travelling dates?

USER: My travel dates are 09/15 and 09/17.

ASSISTANT: Please hold on a moment.

USER: Sure, take your own time.

ASSISTANT: thanks for your time. Unfortunately, we did not find a direct flight  with your requirements.

USER: Ok, not an issue. Thanks for the effort you have done.

ASSISTANT: Thank you for choosing us.