Hello.
user
Hello, how can I aid you?
assistant
I am Andrew Taylor. I want to book a ticket from SFO to DTW to attend seminar, can you help me in booking?
user
Sure, can you share your trip dates?
assistant
I am departing on Oct 12 and return on Oct 14.
user
Do you have any preferences?
assistant
I want to return in afternoon time.
user
Sorry, there is no flight on your given dates.
assistant
That's ok, thank you for your information.
user
Thank you for reaching us.
assistant