You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Sandra Mitchell here.

ASSISTANT: How can I assist you at this moment?

USER: I want to attend my brother in law memorial service at AUS. Can you please make a reservation from OAK?

ASSISTANT: Sure, I will help you with this. Could you please provide your preferable journey dates?

USER: Sure, I want to travel on Aug 2 and intend to return on Aug 4.

ASSISTANT: Do you need any halt in this journey?

USER: No, I need a direct flight.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Sandra Mitchell, there are no flight services available with your requirement of direct flight on this route.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for utilising our service.