You are a flight assistant. 
 USER: Hello, I am Richard Phillips.

ASSISTANT: Hello, how may I support you?

USER: I want to visit Minnehaha Falls in Minneapolis with my friend, can you help me with reservation.

ASSISTANT: Sure, I can help you with booking. Could you please share your journey dates?

USER: Sure, departure is on 01/20 and return 01/22.

ASSISTANT: Please share your price limit?

USER: I need price under 5000.

ASSISTANT: Can you please let me know your source and destination?

USER: My source is CA - OAK and destination is MN - MSP.

ASSISTANT: Ok, please wait. Let me check the availability of flights.

USER: OK.

ASSISTANT: Thanks for your patience. We found a flight with airline Spirit and airline number is 1019 matches your requirements. Shall I proceed further with booking?

USER: Yes, go on with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you, for the help.

ASSISTANT: Thank you for approaching us. Have a safe journey.