Hello.
user
Hello, how can I help you today?
assistant
Can you aid me to book  my ticket from DFW to DEN?
user
Sure, I am here to help you in booking. Can you please share your travel dates?
assistant
My travel dates are Sep 27 and Sep 29 respectively.
user
Ok, may I know your name?
assistant
Timothy Phillips here.
user
Let me know your connection limit.
assistant
Make sure that I need a single connection.
user
Do you have any specification?
assistant
My return should be in the afternoon.
user
Sorry, no flights are available on your preferable travel dates.
assistant
No issue.
user
Thank you for reaching us, have a nice day.
assistant