You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me in booking a flight ticket from LAS to LGA?

ASSISTANT: May I know on which dates you are willing to travel?

USER: I want to fly on Sept 05 and return on Sept 07.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a direct airline.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Myself George Davis.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Sorry to inform you that unfortunately there is no flights available by the given details.

USER: Not an issue.

ASSISTANT: Thank you.

USER: Thank you.