Hi.
user
Hello, how may I guide you today?
assistant
Could you please book a flight ticket from OAK to BOS?
user
Sure, can I know your good name please?
assistant
I am Christopher Rodriguez.
user
 When you are willing to travel?
assistant
My trip dates are July 28 and July 30.
user
Do you need direct flight or connecting flight?
assistant
I am comfortable with any flight.
user
Are there any other specifications?
assistant
I prefer a normal cost airline.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
Not a problem, thank you for the information.
user
Thank you for approaching us.
assistant