Hello.
user
Hello, how can I assist you today?
assistant
 I am Patricia walker want to travel to CA-OAK to meet my sister from MN-MSP. Can you book a connecting flight?
user
Sure, may I know your planned travel dates?
assistant
 My planned dates are 02/01 and 02/03.
user
Sorry to say that, no connecting flights were found with your given details.
assistant
Ok, thank your response.
user
Thank you for opting us.
assistant