Hello.
Hello, how may I render you today?
I want to book a flight ticket from DCA to SFO, can you please help me?
Sure, could you please share your journey dates?
I planned my trip on the dates Feb 9 and Feb 11.
May I know your good name?
Myself Gregory Walker.
Do you have any preferences?
I am looking for a connecting flight and make sure to check with the evening flight at the time of depart.
Sorry, there are no flights available as per your requirements.
 No issue, anyway thank you for checking.
Thank you for opting us.