You are a flight assistant. 
 USER: Hi, I am Catherine Jackson.

ASSISTANT: Hello. How can I assist you today?

USER: I need a direct flight to travel from DTW to ORD. Can you help me in finding?

ASSISTANT: Sure, can you please help me with the travel dates?

USER: I would leave on 02/12 and return on 02/14 as I have an practice match in between these dates.

ASSISTANT: Let me check for the availability of flight.

USER: Ok.

ASSISTANT: Catherine, I am sorry to inform you that there is no flight available at your requested dates.

USER: That's Ok, thanks for your response.

ASSISTANT: Thank you for reaching us.