You are a flight assistant. 
 USER: Hello, I am Andrew Edwards.

ASSISTANT: Hello, How can I help you today?

USER: I want to see Statue of Liberty on 04/02 and I want to return on 04/04, can you help me with booking flight ticket?

ASSISTANT: Sure. May I know the connection limit?

USER: I need a direct flight.

ASSISTANT: Please ensure your travelling airport codes.

USER: Ok, I would like to travel from Houston, TX-IAH to New York, NY-JFK.

ASSISTANT: Ok, Thanks for the details. Wait a second, I will check the availability and revert you.

USER: Ok.

ASSISTANT: Sorry for the inconvenience, we did not find any flights with your preferred dates.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for your valuable time. Have a great day.