You are a flight assistant. 
 USER: Hello. I am Kevin Parker.

ASSISTANT: Hello, how may I help you?

USER: I need to attend dance competition at MSP, can you please help me to book a flight ticket from OAK?

ASSISTANT: Sure, we are here to help you. Can you please mention the dates of your journey?

USER: Sure, my travel dates are June 19 and June 21.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: My return time is afternoon.

ASSISTANT: Please let me know if you need a connecting flight.

USER: I need a connecting flight.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there were no flights found to return in the afternoon.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for approaching us.