Hello.
user
Hello, how can I help you?
assistant
I would like to go for a trekking with my friends at Mount Rainier in Washington, so I need to book a flight ticket to DC - IAD. Please book my ticket on the name of Dennis Gonzalez.
user
Sure, may I know your travelling dates?
assistant
Sure, I prefer to start on 11/21 and return on 11/23.
user
Could you please mention your source code?
assistant
My boarding is from Austin, TX - AUS.
user
Sorry, no flights found on your name. No flights found on your requested dates.
assistant
No problem, thanks for your service.
user
Thank you for approaching us.
assistant