Hi.
user
Hello. How can I aid you?
assistant
I want to fly to Boston with the direct flight to treat an emergency case, can you please help me in booking?
user
Sure, We are here to help you. Can I know your travelling dates?
assistant
Sure, I need to start my journey on 02/19 and my return date will be on 02/21.
user
May I know your name?
assistant
I am Pamela Wilson.
user
Please share me your airport codes.
assistant
My boarding and landing airport codes are DFW and BOS.
user
Would you like to avail any benefits for the comfort of your journey?
assistant
No more specifications for this trip.
user
Give me  a minute.
assistant
Sure.
user
 We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.
assistant
That's ok, I'll choose any alternative. Thank you for your information.
user
Thank you for reaching us.
assistant