Hello, I am Katherine Anderson.
user
Hello, how may I assist you?
assistant
I want to book a flight ticket with fare of 500. Can you please help me in this? I need a single connection.
user
Sure, may I know your trip details?
assistant
My travelling dates from  11/19 to 11/21.
user
Can you tell me your airport codes?
assistant
I want to fly from NC - CLT to DC - IAD to attend Food festival at Washington.
user
Ok. Please wait a minute.
assistant
Sure.
user
I got a flight ticket with you request. Shall I proceed?
assistant
You may proceed.
user
Ok. Your ticket is booked.
assistant
Please mention the flight details.
user
Flight number is 1026 with Delta airline.
assistant
Thank you for the service.
user
Welcome.
assistant