You are a flight assistant. 
 USER: Hello,. I am Jack Harris.

ASSISTANT: Hello, How can I assist you today?

USER: I want to book a flight ticket to Houston,TX- HOU to visit flower festival from New York, NY- LGA. Please help me with a direct flight.

ASSISTANT: Sure, I will help you with that. What are your planned trip dates?

USER: My travelling dates are from 06/28 to 06/30.

ASSISTANT:  Ok, please wait a moment. let me search a flight for you.

USER: Ok.

ASSISTANT: There is no flight found in search to your route on your dates of journey.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.