You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve  you at this moment?

USER: I am planning to meet my friend at Minneapolis, will you help me in booking the flight ticket from OAK to MSP?

ASSISTANT: Sure, on which dates would you like  to travel?

USER: My preferable journey dates are Mar 10 and Mar 12.

ASSISTANT: Can I know your good name please?

USER: Myself Gregory Jackson.

ASSISTANT: Do you prefer direct or connecting flight?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other preferences?

USER: I prefer to travel in major cost airlines in economy class.

ASSISTANT: There are no flights found on your requested dates.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.