Hi.
user
Hello, how may I assist you today?
assistant
I would like to book a flight ticket from SFO to DCA, can you help me with that?
user
Sure, let me know your planned journey dates?
assistant
My trip dates are 10/29 and 10/31.
user
Do you have any connection limit?
assistant
I need a connecting flight.
user
Is there any time concern?
assistant
I prefer economy class, and my return time must be in evening.
user
Can I know your name?
assistant
I am Anna Johnson.
user
Thanks for your details, there is no flight found on your journey routes.
assistant
That's ok. Thank you for your service.
user
Thank you for reaching us.
assistant