Hi.
user
Hello, how may I help you?
assistant
Please book a flight ticket from DCA to SFO.
user
Sure, let me know your travel dates please?
assistant
My trip dates are 07/27 and 07/29.
user
May I know your connection limit?
assistant
I need a connecting flight to travel.
user
Do you need any other preference?
assistant
Yes, I prefer to depart in morning.
user
Can I know your name please?
assistant
I am Richard Wilson.
user
Sorry to inform you that there are no flight services available on your given details.
assistant
That's ok, thank you for your information.
user
Thank you for contacting us.
assistant