You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you today?

USER: I am Edward Phillips. Can you help me in booking from LGA to LAS, as I have a business meeting at Las Vegas?

ASSISTANT: Edward Phillips, may I know your travel dates?

USER: My trip dates are 08/24 to 08/26.

ASSISTANT: Sorry, no flights are available for you.

USER: No issue, thank you for checking.

ASSISTANT: Thank you for choosing our services and have a nice day.