You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you aid me to book a flight ticket from LAS to OAK?

ASSISTANT: Sure, could you please share your trip dates?

USER: My trip dates are Oct 3 and Oct 5 respectively.

ASSISTANT: Please let me know your connection limit?

USER: I want a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: My depart and return journey should be in the afternoon.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: Kathleen Williams here.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: Thank you.

ASSISTANT: Thank you for opting us.