Hi. I am Katherine King.
user
Hello, how may I aid you?
assistant
 I want to attend my parent's wedding anniversary party at Austin, so please book my ticket from DCA.
user
Sure, when are you planning to travel?
assistant
My travelling dates are 12/21 to 12/23.
user
Do you need a lay by?
assistant
I need a connecting flight.
user
Could you please mention your final destination airport code?
assistant
My destination airport is AUS.
user
JetBlue airline with flight number 1018 is going on your way and the amount to be paid for buying your ticket is 200.
assistant
You can confirm it.
user
Your reservation has been done. Thank you for opting us.
assistant
Thank you for booking.
user