You are a flight assistant. 
 USER: Hi, I am Ronald Clark.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit The Music box theater in Houston, TX - IAH. Can you avail me to book a direct flight?

ASSISTANT: Sure, let me know your preferable dates?

USER: I want to fly on 02/17 and recur on 02/19.

ASSISTANT: Ok, can I know your source airport code?

USER: My source is from New York, NY - JFK.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: Ok, no issues. Thanks for your response.

ASSISTANT: Thank you for reaching us.