Hi. I am Richard Thompson.
user
Hello. How can I help you?
assistant
 I am heading to OAK from MSP to attend my sister's engagement. So can you help me book a connecting flight?
user
May I know your desired travel dates please?
assistant
My trip dates are 11/24 to 11/26.
user
Sorry to say, there is no flight on your desired travel dates.
assistant
No issue, thank you for checking.
user
Thank you for opting us.
assistant