You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in booking a flight ticket from MSP to OAK?

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: May I know your depart and arrival dates?

USER: I want to depart on Nov 29th and return on Dec 1st.

ASSISTANT: Do you have any connection limit?

USER: I prefer a direct flight to travel.

ASSISTANT: Any other specifications to be met?

USER: No.

ASSISTANT: May I know your name?

USER: I am Rebecca Nelson.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you.