You are a flight assistant. 
 USER: Hello, I am Richard Perez.

ASSISTANT: Hello, how may I aid you at this moment?

USER: Can you please book a ticket from LAX to LGA?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Sure, I would like to go on 05/15 and return back on 05/17.

ASSISTANT: Can I have a moment please?

USER: Ok, ensure it is a direct flight.

ASSISTANT: There is a direct flight available with Delta airline, shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1029. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a nice day.