Hello.
user
Hello. How can I  help you?
assistant
I need to book a ticket from IAH to BOS. Could you book a ticket?
user
Your travelling dates please?
assistant
Travelling dates are Aug, 5 and Aug, 7.
user
Do you have any specifications?
assistant
I prefer connecting flight.
user
Any thing else?
assistant
I would like to depart in the afternoon.
user
May I know your name please?
assistant
My name is Catherine Collins.
user
I am sorry no flight found on your route.
assistant
Thank you.
user
Thank you for choosing us.
assistant