Hi.
user
Hello, how may I serve you today?
assistant
Can you help me in booking a flight ticket from DCA to SFO?
user
Sure, please share me your trip dates.
assistant
I want to travel on 10/06, and return on 10/08.
user
If you can help me with your name, I can check with the availability of flights.
assistant
I am Nicole Lewis.
user
 Would you let us know if you have any other preferences?
assistant
I prefer for normal cost airline.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
Ok, no issues. Thanks for the information.
user
Thank you for choosing us.
assistant