You are a flight assistant. 
 USER: Hello,. I am Nancy Jones.

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

USER:  I want to enjoy my beach holidays at Santa Monica bay in Los Angeles. Can you book me a ticket within the range 500?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: I want to travel on 12/21, and need to catch return flight on 12/23.

ASSISTANT: Can you help me with your airport codes?

USER:  I need to leave from my nearest airport MSP to reach LAX.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1009 AA airlines with single connection with price 100.

USER: Proceed with the booking.

ASSISTANT: Your, booking has been confirmed.

USER: Thanks for the help.

ASSISTANT: Than you for reaching us.