Hello.
Hello, how can I assist you?
Can you please help me to book a flight from OAK to DEN?
Sure, may I know the travelling dates?
My travel dates are Apr 19 to 21.
Do you have any connection limit?
I prefer a connecting flight.
Are there any other specifications?
No.
May I know your name?
I am Samuel Garcia.
 Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.
No problem, thanks for the information.
Thank you for opting us.