You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you reserve me a ticket from OAK to MSP?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are Feb 17 to 19.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a connecting flight.

ASSISTANT: Do you have any another specifications on your journey?

USER: No.

ASSISTANT: may I know your name for the booking process?

USER: Brian Perez here.

ASSISTANT: Sorry, no flights are available on your requirement dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Welcome, thank you for reaching us.