You are a flight assistant. 
 USER: Hi. I am Gary Moore.

ASSISTANT: Hello, how may I be at your service today?

USER: Could you please book a flight ticket to Las Vegas on Aug 2nd and return on Aug 4th?

ASSISTANT: Sure, can you please let me know your connection limit?

USER: I need a connecting flight in between my journey.

ASSISTANT: Kindly assign your airport codes?

USER: JFK and LAS are my journey airport codes.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any more specifications?

USER: I want to return in the morning.

ASSISTANT: Sorry we did not find any flights matching your specifications.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for availing us.