Hello.
user
Hello. How may I help you?
assistant
I am Jennifer Mitchell. I am planning to visit my brother's home from DCA to SFO. Can you help me to book a ticket for me?
user
Sure, I'll help you. May I know your trip dates?
assistant
Sure, my travelling dates are 03/15 to 03/17. Make sure my connection limit is 1.
user
Sorry Jennifer, there is no flight available with your details.
assistant
That's fine. Thank you for your help.
user
Most welcome.
assistant