You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am looking for a flight from LGA to LAS, can you please help me in booking?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are Aug 03 and Aug 05.

ASSISTANT: May I know your name please?

USER: My name is George Harris.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for approaching us.