Hello.
user
Hello, how can I serve you?
assistant
I am planning to celebrate my birthday in San Francisco, so please book a flight ticket from DCA to SFO.
user
Sure, I am happy to help you. When are you willing to travel?
assistant
I would like to fly on June 09, return on June 11.
user
May I know your good name?
assistant
My name is Helen Harris.
user
Do you prefer any stopover in between journey?
assistant
I need a connecting flight.
user
Is there any other specifications for you?
assistant
I want business class flight ticket.
user
Sorry, no flights are available on your journey dates.
assistant
Not an issue, thank you.
user
Thank you for availing us.
assistant