Hello, myself Robert Campbell.
user
Hello, how may I help you?
assistant
I would like to meet my grand parents at Oakland, please help me in booking a ticket from DTW to OAK.
user
Ok, on which dates are you planning your journey?
assistant
My trip dates are 03/12 and 03/14.
user
Please wait for a minute.
assistant
Sure, take your time.
user
There are no flights available at this moment.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for contacting us.
assistant