Hello.
user
Hello, how may I help you?
assistant
Can you please reserve a plane ticket from Washington to reach Las Vegas? Because I have to attend my final examination.
user
Sure, can I know your travelling dates?
assistant
Thank you. My planned travel dates are Feb 03 and Feb 05.
user
Ok, let me know your source and destination airport codes?
assistant
The source and destination airport codes are IAD and LAS.
user
Can I know your name?
assistant
My name is Stephen Clark.
user
Do you have any specifications?
assistant
I prefer a connecting flight.
user
Sorry, there are no flights found on given dates.
assistant
It's ok, not a problem with that. Thank you for searching the flights.
user
Thank you for reaching us.
assistant