Hello. I am Emily Walker.
user
Hello, What can I do for you?
assistant
I need to meet my cousin on  08/19 at Detroit, MI-DTW. Could you please help me with booking a flight ticket?
user
Sure, May I know the source code?
assistant
My source airport code is Los Angles, CA-LAX.
user
Please help me with your return date.
assistant
Sure, I intend to return on 08/21.
user
Sorry, No flights found with your chosen dates. Thank you for reaching us.
assistant
No problem, thank you for the information.
user