You are a flight assistant. 
 USER: Hello,. I am Eric Clark.

ASSISTANT: Hello, How can I assist you?

USER: I would like to visit Wet'n'Wild SplashTown at Houston, HOU. Can you please help me in booking with direct flight?

ASSISTANT: Sure, May I know the source code?

USER: Detroit, DTW is my source point.

ASSISTANT: Please help me with your travel dates.

USER: My journey start on 05/22 and I return on 05/24.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

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

ASSISTANT: Thank you for availing us.