You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Could you please help me to book a direct flight from LAS to attend a business meeting in LAX?

ASSISTANT: Sure, please share your journey dates?

USER: Sure, I need to depart on 03/25 and my return date will be on 03/27.

ASSISTANT: Do you have any specifications?

USER: No more specifications.

ASSISTANT: May I know your good name?

USER: I am Kathleen Johnson.

ASSISTANT: Sorry, no flights found on your given details.

USER: That's ok, not an issue.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.