Hello.
user
Hello. How may I aid you today?
assistant
I am Carol Evans. I am planning to book a ticket from SFO to DCA. Can you please help me out?
user
Sure, I am here to help you out. Please provide me your trip dates.
assistant
I am planning to travel on 01/27 and return back on 01/29.
user
Sorry, there is no flight in your route with your travel dates.
assistant
That's fine, please proceed the booking.
user
Thank you for reaching us.
assistant
Thank you for your service.
user