Hi.
user
Hello. How could I support you today?
assistant
 I am Michelle Thompson. Can you please hold me a flight ticket from DEN to OAK?
user
Help me with your travelling dates?
assistant
My trip dates are 04/28 - 04/30.
user
Please share me your specifications.
assistant
I need a single connection.
user
Unfortunately there are no flights are running on your route according to your given information.
assistant
No issues, thank you.
user
Thank you for opting us.
assistant