You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you now?

USER: I need to book a flight ticket to Minneapolis & St. Paul MSP to enjoy holidays with friends. Can you make a reservation with fare 5000?

ASSISTANT: Sure, please share me your planned journey dates?

USER: Sure, my departure and arrival dates are 12/10 and 12/12.

ASSISTANT: May I know your source airport code?

USER: Sure, my origin point is SFO.

ASSISTANT: May I know your good name?

USER: Sure, Richard Young.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your journey data.

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

ASSISTANT: Thank you for visiting us.