Hello.
user
Hello, how may I render you?
assistant
I am Debra Lopez. I am planning to attend a press conference at Denver CO-DEN, help me in booking my flight ticket from CA-OAK.
user
May I know when do you want to travel on?
assistant
I would like to start on 05/27.
user
Can you please share me your return date?
assistant
My return date is on  05/29.
user
Do you have any specification?
assistant
I need a connecting flight.
user
There is no flight on your requirements.
assistant
Its ok, thank you for your help.
user
Thank you.
assistant