Hello.
user
Hello, How can I help you?
assistant
I need your help to book a flight from DCA to SFO.
user
Sure, May I know your travelling dates?
assistant
Sure, I want to travel on May 19 and need to return on May 21.
user
Do you have any connection limit?
assistant
Yes, I need a flight with single connection.
user
Any other preferences?
assistant
No.
user
May I know your name?
assistant
Anna Phillips here.
user
Sorry, there are no flights found with your details.
assistant
Ok, not an issue. Thank you for the information.
user
Thank you.
assistant