You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to travel from OAK to SFO as a holiday trip.

ASSISTANT: Sure, may I know your travel dates?

USER: My journey dates are Sept 21st and Sept 23rd.

ASSISTANT: Do you have any connection limit?

USER: I need break in my journey.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Please share your name.

USER: Kevin Parker here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: No problem, Thanks for the information.

ASSISTANT: Thanks for reaching us.