Hello.
user
Hello, how may I be at your service today?
assistant
Can you please help me to book a flight from DEN to OAK?
user
Sure, I will help you in booking the ticket. May I know your travelling dates please?
assistant
I want to depart on May 20 and need to return on May 22.
user
Do you have any other specifications?
assistant
I need a direct flight with an economy class.
user
Sorry for this inconvenience, I could not find any flight with your requirements.
assistant
Ok, no problem.
user
Please help me with your name for booking.
assistant
Charles Wilson here.
user
Thank you for reaching us.
assistant
Thank you for the information.
user