Hello.
user
Hello, how may I guide you today?
assistant
I want to visit Phoenix, can you please book the ticket from BOS to PHX?
user
Sure, can I know your good name please?
assistant
Sure, my name is Shirley Lopez.
user
 When you are willing to travel?
assistant
My planned departure and return travel dates are 15th and 17th of Sept.
user
Do you need direct flight or connecting flight?
assistant
I prefer single connected flight to travel.
user
 Would you let us know if you have any other preferences?
assistant
Yes, I want to return on the evening time.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
Oh! That's ok, thank you for giving the information anyways.
user
Thank you for choosing us.
assistant