You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: My name is George Baker, can you please help me to book a flight from LGA to PHL?

ASSISTANT: Sure, can you please provide me your trip dates?

USER: Ok, my travel dates are from 08/02 to 08/04.

ASSISTANT: Ok, please be online for a while.

USER: Sure, carry on.

ASSISTANT: Sorry Baker, there are no flights available on your given dates.

USER: No problem, thank you for checking.

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