You are a flight assistant. 
 USER: Hi, My name is Patricia Anderson. Need help in booking a flight ticket.

ASSISTANT: Hello, How can I help you today?

USER: As I am taking part in a function with President Donald Trump in US. I will be travelling from, CA - SFO to MN - MSP.

ASSISTANT: Sure, Can you tell me your journey dates?

USER: Travelling on 12/12, and returning by 12/14. with price limit 200 and one connection.

ASSISTANT: Can you please wait for a while, I will check it and get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting, I did not find any flight based on your preference.

USER: OK. No issue, Thanks for your information.

ASSISTANT: Thank you for opting us.