Hello.
user
Hello, How may I assist you today?
assistant
I am Catherine Walker.
user
Ok.
assistant
I am planning to conduct a free medical camp in Detroit, MI - DTW, so please book a flight ticket from Oakland, CA - OAK.
user
Ok, I will book you a ticket. Please provide the travel dates.
assistant
I will start on 09/30, return on 10/02.
user
Ok. Thanks for the details. We are sorry to inform you that, no flights will run on respective days.
assistant
No problem, thanks for your service.
user
Thanks for choosing us.
assistant