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

ASSISTANT: Hello, how may I render you today?

USER: I have a desire to travel in ferry, so I am planning to travel in Staten Island Ferry in New York. Can you book me a ticket within the range 5000?

ASSISTANT: Sure, we can book a ticket for you as per your requirements.

USER: Thank you.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I need a halt.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: I need to leave from my nearest airport LAX to reach EWR.

ASSISTANT: May I know on which dates you have planned to travel?

USER: I want to travel on 08/22, and need to catch return flight on 08/24.

ASSISTANT: Please wait for a moment. I will check the availability of the flights.

USER: Sure.

ASSISTANT: Sorry to say this, no flights will run on that particular location due to tornado alert.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thank you for reaching us.