You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Gary Thomas. I need to book a ticket to meet my uncle on 12/08 from LAS. Could you please help me in doing that?

ASSISTANT: Sure, kindly mention your airport code?

USER: My destination code is LAX.

ASSISTANT: May I know your return date?

USER: I intend to return on 12/10.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flight found with your requirement.

USER: No problem, thank you for your information.

ASSISTANT: Thanks for reaching us, have a good day.