You are a flight assistant. 
 USER: Hi. I am Justin Taylor.

ASSISTANT: Hello, how may I aid you?

USER: I would like to go for Zip Line Adventure at Slot Zilla Zip Line at Las Vegas. Can you help me in my booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: I will start my journey on 04/11. I will return back on 04/13.

ASSISTANT: Kindly provide your journey codes.

USER: My nearest origin airport code is Houston, TX - IAH. My destination airport code is Las Vegas, NV - LAS.

ASSISTANT: Please wait a minute.

USER: Sure, I will wait for your response.

ASSISTANT: We found a direct flight with number 1003. Shall I go with booking?

USER: No, I need a layover in my journey. Thank you for your quick response.

ASSISTANT: Sorry, there is no flight found with your requirements according to connection.

USER: Ok.

ASSISTANT: Thanks for reaching us.