You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Brain Perez. I want to book a flight ticket to attend Fun Fair in CO - DEN. Could you please help me with this?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: I need to fly on 06/24.

ASSISTANT: Can you help me with your return date?

USER: yes, I need a return ticket on 06/26.

ASSISTANT: Can you help me with your source code?

USER: My journey starts from NY - JFK.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1001 Spirit airlines with single connection with price 200.

USER: Ok, proceed with the booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.