Hello.
user
Hello, how can I help you?
assistant
I am Eric Collins. I need a direct flight, Could you please help me with booking a flight ticket?
user
Is there any class preference?
assistant
I need a  business class.
user
May I know your airport codes please?
assistant
Sure, my airport codes are BOS and IAD.
user
Can you please share on what dates you have planned to travel?
assistant
Sure, my travelling dates are Mar 14 and Mar 16.
user
Please provide your specifications.
assistant
I would like to depart in the afternoon.
user
We are sorry to inform you that there is no flights found with your given dates.
assistant
No worries, thank you for the information.
user
Thank you for approaching us.
assistant