You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Will you help me in booking the flight ticket from LAX to LGA?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are Sept 10 and Sept 12.

ASSISTANT: Can I know your name please?

USER: Myself Stephanie Baker.

ASSISTANT: Do you need any specifications?

USER: I need a direct flight which returns in afternoon time.

ASSISTANT: Can I know do you have any other preferences?

USER: No, thank you for asking.

ASSISTANT: Sorry, there are no flights found.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.