Hi.
user
Hello, how may I help you?
assistant
I am Robert Gonzalez. I want to book a ticket from ORD to DTW, can you help me?
user
Sure, could you please provide your travelling dates to search for the flight?
assistant
My travel dates are Dec 22 and Dec 24.
user
Do you have any particular time for departing and returning?
assistant
My depart and return time is in the evening.
user
May I know your other specifications?
assistant
I need a connecting flight.
user
Sorry, no flight is available for you.
assistant
No problem, thanks for checking.
user
Thank you for choosing us.
assistant