You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you guide me in booking my flight ticket from JFK to IAH?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My trip dates will be Feb 19th to Feb 21st.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: I am Patrick Jones.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.