You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I have planned to visit Universal Studios Hollywood in Los Angeles, can you reserve a ticket?

ASSISTANT: Sure, can you provide me your airport codes?

USER: I want a ticket within range of 500. My airport codes are from Denver, CO-DEN to Los Angeles, CA-LAX.

ASSISTANT: May I know your travel dates?

USER: Sure, my travel dates are from 05/14 to 05/16.

ASSISTANT: We found a flight with your requirement, airline is UA with price 200. Shall, I proceed with booking?

USER: Yes, please proceed with booking.

ASSISTANT: Your booking is confirmed. Thanks for reaching us, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Sorry for the in convince, May I know your name?

USER: I am Richard Jackson.

ASSISTANT: Thank you.

USER: Ok, thank you.