You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Kevin Green here, We are planning to visit Detriot, Can you please help me out?

ASSISTANT: Sure, I am here to help you out.

USER: My airport codes are from HOU to DTW.

ASSISTANT: Can you help me providing your complete journey details please?

USER: My journey dates are 06/20 and 06/22.

ASSISTANT: Sorry to say this Green, we could not find a flight matching your criteria. Sorry for the inconvenience provided.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for reaching us.