Hello.
user
Hello. How may I help you today?
assistant
Can you  please book a flight ticket from SFO to DCA? As I have to meet my friend in Washington.
user
Ok, I am here to help you with that. Can I know your planned trip dates?
assistant
Thank you. I have planned my travel dates as Sept 14 and Sept 16.
user
Do you have any other requirements?
assistant
I am looking for single connecting flight.
user
May I know your good name?
assistant
Sure, myself Ryan Perez.
user
Please  wait for a minute.
assistant
Sure, take your time.
user
Sorry to say that, there are no flights available based on your travelling dates.
assistant
Oh! It is sad to hear. Anyway, thank you for your  time.
user
Thank you for approaching us.
assistant
Most welcome.
user