Hello.
user
Hello, how can I aid you?
assistant
I am Dorothy Adams. Can you please book me a ticket from DCA to LAX?
user
sure, please provide me travelling dates.
assistant
I would like to leave between 06/18 and 06/20.
user
Sorry, there are no flights at this moment.
assistant
Ok, no problem. Thank you so much.
user
Have a good day.
assistant