Hello.
user
Hello. How may I help you?
assistant
I am Jack Hernandez. Can you please book a ticket on 12/24 and 12/26?
user
Sure, may I know the airport codes?
assistant
My airport codes are DEN and LAX.
user
Sorry, there are no flights available for you on your requested dates.
assistant
That's fine. Thank you for your information.
user
You are welcome.
assistant