You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you aid me to book my ticket from LGA to PHL?

ASSISTANT: Sure, I will help you. Can I know your name?

USER: George White here.

ASSISTANT: Thank you. May I know your travel dates?

USER: My trip dates are Mar 8 and Mar 10 respectively.

ASSISTANT: Noted. Would you like to avail any benefits for the comfort of your journey?

USER: I prefer for single connecting flight and economy class to travel.

ASSISTANT: Sure. Please wait for a while, let me check.

USER: Ok.

ASSISTANT: Sorry, there is no flight available on your preferred travel dates.

USER: Thank you for the help.