You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: My name is Samuel Moore. I would like to travel from JFK to IAH, could you help me out?

ASSISTANT: Sure, can you please share your travel dates?

USER: My preferable dates are from 06/04 to 06/06.

ASSISTANT: Let me check for check for the availability of flight.

USER: Please check for direct flights.

ASSISTANT: Samuel, I am sorry to inform you that there is no flight available at your request.

USER: That's ok. Thank you for your help.

ASSISTANT: Thank you for contacting us.