Hi.
user
Hello. How may I assist you for today.
assistant
 I am Thomas Smith want to visit LAS, can you book a ticket from IAD?
user
Yes, can you tell me your travelling dates?
assistant
Sure, my travelling dates will be 04/13 and 04/15.
user
Give me a moment.
assistant
Ok.
user
I have found a flight ticket with a price of 200 and 1 connection.
assistant
Ok, proceed with this flight.
user
Your ticket has been booked.
assistant
Thank you.
user
Thank you for contacting us.
assistant