Hi.
user
Hello.
assistant
Lisa Mitchell here.
user
How can I assist you today?
assistant
Book a ticket from DEN to LAS.
user
Sure, will you mention your travelling dates please?
assistant
My trip starts on 09/20 and 09/22.
user
Please give me a moment.
assistant
Sure.
user
There is no flights found under your preferable details.
assistant
It's ok, thanks for your information.
user
Welcome, have a great day.
assistant