Hello.
user
 Hello, how may I oblige you today?
assistant
I am Ashley Walker. Can you please help me in booking my flight ticket from DFW to BOS?
user
Sure, can you please share your journey dates that you prefer to travel?
assistant
My preferable dates are June 07 and June 09.
user
Do you have any other requirements?
assistant
I need my depart flight in afternoon time. I need connecting flight.
user
 Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.
assistant
Ok, fine thank you for checking.
user
Thank you.
assistant