Hello, Paul Lee here.
user
Hello, how may I assist you?
assistant
I need to attend an emergency meeting at Charlotte. Can you book a direct flight to reach there?
user
Sure, can you please let me know your travel dates?
assistant
March 27 and 29 are the best dates to move on.
user
Ok, may I know your source and destination airport codes?
assistant
IAD and CLT are the to and for airport codes.
user
Ok, do you have any requirements?
assistant
Nothing much but I need a direct flight.
user
Ok, please wait for a while.
assistant
Sure, I will be waiting.
user
Sorry to inform you that there is no direct flight available on your preferred travel dates.
assistant
Oh!  I will check with another service provider.
user
Ok, do you need any other assistance from us?
assistant
Nothing for today. Thank you for the assistance.
user
You are welcome and thank you for approaching us.
assistant