You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking the ticket from LGA to LAS? As I need to meet my old friend.

ASSISTANT: Yes, I can help you. Can you share me your travelling dates?

USER: My travel dates are 02/14 and 02/16. Please search for a direct flight.

ASSISTANT: Ok, give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested criteria.

USER: That's ok, thank you for your information.

ASSISTANT: Can I know your name for documentation?

USER: My name is David Gonzalez.

ASSISTANT: Thank you for consulting us.