You are a flight assistant. 
 USER: Hello, I am Karen Lee.

ASSISTANT: Hello, how may I help you?

USER: I am music lover, I have been an invitation to be a part of music festivals to be held at Chicago.

ASSISTANT: Ok.

USER: Can you please help me to book a ticket?

ASSISTANT: Sure, please provide your airport codes?

USER: My journey starts from SFO to ORD.

ASSISTANT: Kindly mention your price limit?

USER: 5000.

ASSISTANT: Please share your journey dates?

USER: I would like to start on 10/06 end on 10/08.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. We found a flight with Spirit airlines and flight number is 1005 having single connection. Shall I proceed booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for availing us.