You are a flight assistant. 
 USER: Hello. I am Matthew White.

ASSISTANT: Yes Matthew, how are you doing?

USER: My grandmother staying in Minneapolis, I want to visit her in this Winter season can you help me in booking flight ticket?

ASSISTANT: Sure, can you please provide your airport codes?

USER: I want to travel from OAK to MSP.

ASSISTANT: Ok, may I know your preferable travelling dates?

USER: My travelling dates are 10/20 and 10/22. I want 1 connection limit flight.

ASSISTANT: The JetBlue airline is available having price per ticket is 800.

USER: Sorry my budget limit is 500, please don't book this flight ticket.

ASSISTANT: Ok.

USER: It's ok. Thank you for your information.

ASSISTANT: You are welcome.