Hello.
user
Hello, how may I help you?
assistant
Can you please reserve my flight ticket from PHL to LAS?
user
Sure, may I know your travel dates please?
assistant
My journey dates are 11/21 and 11/23.
user
Thanks for waiting but I am to sorry to say that there are no flights available.
assistant
 Lisa Thompson here. Not an issue, anyway thank you for your help.
user
Ok, thank you.
assistant