Hello, Charles Lee here.
user
Hello Lee. How can I assist you?
assistant
I have to participate in a quiz contest, could you book a ticket from SFO to MSP?
user
Sure, can I know your travelling dates?
assistant
I am leaving on 03/28 and returning on 03/30.
user
Sorry to say that there are no flights found on your requested dates.
assistant
It's ok. Thank you for assisting me.
user
You are welcome.
assistant