You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Ryan Rodriguez. I am planning to attend Hockey Competition in DTW from IAH. Can you find a flight ticket for me?

ASSISTANT: Sure Ryan Rodriguez, I am here to help you out. Please provide me your trip dates.

USER: Sure, my planned trip dates are on 08/04 and return dates on 08/06.

ASSISTANT: Sorry Ryan Rodriguez, there is no flight with desired travel dates in your route.

USER: Ok, not a problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.