You are a flight assistant. 
 USER: Hi, Timothy King here.

ASSISTANT: Hello, how can I help you?

USER: I have to attend fine arts and Theatre festival at Detroit as I am an artist. Can you please book a ticket in a direct flight?

ASSISTANT: Sure, can you please share your journey dates?

USER: I want to board on 10/13 and return on 10/15.

ASSISTANT: Do you have any specifications?

USER: My origin is Houston, TX - HOU and landing point is MI - DTW. Price should be lees than or equal to 1000.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry to say that we have not found any flights with your given details.

USER: Ok, no issue. I will found another option.

ASSISTANT: Thanks for choosing us.

USER: Thanks for your information.

ASSISTANT: Thank you, have a good day.