You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket from LGA to SEA, can you please help me?

ASSISTANT: Sure, may I know your trip dates please?

USER: I planned my journey on the dates Feb 3 and Feb 5.

ASSISTANT: Do you have any other requirements?

USER: I am looking for a connecting flight. And also I prefer afternoon flight for my return journey.

ASSISTANT: Let me know your name please.

USER: Myself Michael Adams.

ASSISTANT: Sorry, we regret to inform you that there is no flight available as per your request.

USER: No issue, anyway thank you for checking.

ASSISTANT: My pleasure.