Hello, myself Michelle Jones.
user
Hello, how may I aid you for the day?
assistant
I want you to book my flight ticket from SFO to ATL, can you please do that for me?
user
Michelle Jones, may I know your travelling dates please?
assistant
I want to depart on 05/12 and return on 05/14.
user
Sorry, no flights are available on your route.
assistant
Not an issue, anyway thank you for checking.
user
Thank you for choosing us. Have a nice day.
assistant