Hello.
user
Hello. How can I help you?
assistant
Can you please book a ticket from OAK to DCA? As I need to attend a wedding.
user
Can I know your travelling dates?
assistant
Sure, my planned departure and return travel dates are 2nd and 4th of may.
user
Do you have any preference?
assistant
Yes, I want to return in the morning time and I need single connected flight.
user
Let me know your name.
assistant
My name is Dorothy Thompson.
user
Sorry, no flights found for your travelling dates. Thank you.
assistant
That's ok, thank you for giving the information.
user