Hello.
user
Hello, how may I help you?
assistant
Myself Patrick Williams. I need to travel Boston, can you please reserve flight ticket from LAS and BOS?
user
Sure, can I know your travelling dates?
assistant
My travelling dates are Nov,12 and Nov,14.
user
Do you have any particular time for departing and returning?
assistant
My return time should be in the morning.
user
Would you like to prefer direct flight or connecting flight?
assistant
I need a single connection.
user
Which class do you prefer?
assistant
I am preferring for business  class flight ticket.
user
Thank you for giving your valuable time, but there are no flights available based on your request.
assistant
Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey. Thank you for the information.
user
Thank you for opting us, we hope to serve you again with better features.
assistant