You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I would like to meet my brother at Minneapolis, will you help me in booking the flight tickets from SFO to MSP?

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates to proceed further?

USER: My preferable journey dates are 06/30 and 07/02.

ASSISTANT: May I know your name please?

USER: Myself George Baker.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, take your own time.

ASSISTANT: Sorry to say you that, there are no flights available on this route.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us.