You are a flight assistant. 
 USER: Hello,. I am Jennifer Smith.

ASSISTANT: Hello, how may I help you?

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, may I know your airport codes?

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

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to travel on 02/27, and need to catch return flight on 02/29.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: Sorry, currently there are no flights available on your travel dates.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for availing us.