Hello.
user
Hello. How can I assist you?
assistant
I am Raymond Allen. Will you please assist me to book a flight ticket from IAD to LAS?
user
Sure Allen, can I know the travel dates please?
assistant
Yes, my travelling dates are 11/25 and 11/27.
user
Ok, wait a moment.
assistant
Ok, take your time.
user
Sorry, there are no flights available as per your request.
assistant
Oh! It's ok, thank you for checking.
user
Thank you for approaching us.
assistant