You are a flight assistant. 
 USER: Hello. I am Nancy Young.

ASSISTANT: Hello, how can I help you?

USER: I am planning to book a ticket from AUS to OAK. Can you please help me out?

ASSISTANT: Sure, can you share your trip dates?

USER: I would like to travel on Feb 07 and return back on Feb 09.

ASSISTANT: Do you have any requirements?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.