Hi.
user
Hello, how may I help you today?
assistant
I am Gary Clark, can you help me to book a direct flight?
user
Sure, we are here to help you. May I know your airport codes?
assistant
My preferred airport codes are ORD and DTW.
user
Please share your trip dates.
assistant
My travelling dates are Mar 18 and 20.
user
Sorry to inform you that there is no flight for your required travel dates.
assistant
No issues, thank you for your information.
user
Thank you for choosing us.
assistant