You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Please help me out in booking the ticket from LAS to LGA.

ASSISTANT: Sure, to book a ticket may I know your planned travel dates?

USER: My trip dates will be July 25 to July 27.

ASSISTANT: Can you please forward your name?

USER: Amanda Evans is my name.

ASSISTANT: Do you prefer either connecting flight or direct flight?

USER: I need a direct flight.

ASSISTANT: Unfortunately we did not find any flight on your given details.

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us.