Hi.
user
Hello, how can I assist you today?
assistant
I want to fly to Dc with the direct flight to treat an emergency case, could you please help me to book a flight ticket ?
user
Sure, I am gleeful to assist you.
assistant
Thank you.
user
May I know your journey points?
assistant
My boarding and landing airport codes are PHX and DCA.
user
When are you planning to travel?
assistant
Sure, I intend to start 09/12 and my return date will be on 09/14.
user
Is there any other preferences that you would like to add before booking?
assistant
No, please proceed.
user
Before checking with the airlines, may I know your name please?
assistant
I am Benjamin Collins.
user
Thank you for providing all necessary details. Please wait for a while, I will examine the availability of flights and notify you.
assistant
Sure.
user
  We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for reaching us.
assistant