You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you today?

USER: I am Matthew Adams.

ASSISTANT: Hello, Matthew Adams.

USER: I want to attend a Motocross Racing in Los Angeles, Can you book a flight ticket for me?

ASSISTANT: Sure, may I know your journey dates please?

USER: I need single connection in between journey. My dates on 06/26 to 06/28. Price limit should not exceed 500.

ASSISTANT: Ok, could you help me with your airport codes please?

USER: My airport codes are LAS - LAX.

ASSISTANT: Ok, hold on a moment I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we have not found any flights with your requested details.

USER: Ok, Thank you for your information.

ASSISTANT: Thanks for choosing us.