Hi.
user
Hello, how may I assist you?
assistant
I need to book a ticket from OAK to IAD. Could you book a ticket?
user
Sure, may I know your planned travel dates please?
assistant
Travel dates are May, 31 and June, 2.
user
Would you like to travel in a connecting flight or a direct flight?
assistant
I prefer connecting flight.
user
Do you have any particular time for departing and returning?
assistant
I would like to depart in the morning time.
user
Do you have any class preference?
assistant
I am comfortable with any class preference.
user
Do you have any airline preference?
assistant
I prefer to fly in a normal-cost airlines.
user
May I know your good name please?
assistant
My name is Brian Johnson.
user
Sorry, there is no flight available on your requested dates.
assistant
Thank you.
user
Thank you for reaching us.
assistant