Hi.
user
Hello. How can I help you?
assistant
I am Melissa Martin. Can you please help me in booking my flight ticket from DEN to LAS?
user
May i know your travelling dates please?
assistant
Ok, my travelling dates are 12/24 and 12/26.
user
I am sorry no flights found on your dates.
assistant
Ok, thank you for checking.
user
Thank you.
assistant