You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am Angela Martinez. I would like to travel to Chicago to enjoy in the coming holidays, can you please find a flight which is departing in the morning time from Detroit?

ASSISTANT: Sure, I am here to help you with that. Can I know your journey dates?

USER: Thank you for accepting my request. My planned journey dates are July/27 and July/29.

ASSISTANT: Ok, May I know your airport codes?

USER: The source and destination airport codes are DTW and ORD.

ASSISTANT: Do you have any specifications?

USER: I need a flight which is having at least single connection in between my journey.

ASSISTANT: Please give me a moment.

USER: Ok, take your time.

ASSISTANT: Sorry to say that, there are no flight's available based on your departing time.

USER: It's ok, not a problem with that. Anyways thank you for your help.

ASSISTANT: Thank you for reaching us. Have a nice day.

USER: You are welcome.