Hi.
user
Hello, how can I help you?
assistant
Raymond Johnson here. I would like to book a ticket from DCA to OAK, can you please help me with that?
user
Sure, can you share your trip dates?
assistant
The travel dates are from 04/12 to 04/14.
user
Do you have any preferences?
assistant
I would like to depart during morning time.
user
Sorry, there is no flight on your given dates.
assistant
That's ok, thank you for your help.
user
Thank you for reaching us.
assistant