You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I want to travel from MI-DTW to TX-IAH to attend in a get together party at Houston.

ASSISTANT: Ok, please provide your name.

USER: Sure, I'm Anthony Collins.

ASSISTANT: May I know your trip dates?

USER: My dates of journey is from 08/15 to 08/17.

ASSISTANT: Sorry, no flights had been found on your details.

USER: No problem.

ASSISTANT: Thank you for reaching us.

USER: Welcome.