Hello.
user
Hello, how may I aid you?
assistant
I am Janet Campbell. I would like to book a ticket from DCA to SFO, can you please help me out?
user
I am glad to help you. Can you please provide your planned dates of your trip?
assistant
I am travelling on these dates 05/30 and 06/01.
user
Sorry Janet, there are no flights on your planned dates of journey.
assistant
Ok no problem, thank you for your services.
user
Most welcome, hope you have a nice day.
assistant