You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Catherine Martin here. I want to book a flight from LAS to OAK. Can you please help me with this?

ASSISTANT: Sure, I will help you with that Catherine Martin. Can you help me by providing your planned dates of journey?

USER: Thank you, I want to travel on Nov 14 and need to return on Nov 16.

ASSISTANT: AA airlines is providing a flight to your region having a ticket fare of 100 with single connecting flight. Shall I proceed with the booking in this flight?

USER: No, I need a direct flight. Do not proceed with booking.

ASSISTANT: We regret to inform you that there are no flights moving to your region with your planned dates of travelling with such a connection limit.

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: You are welcome, thank you for reaching us. Hope you have a nice day ahead.