You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight from ATL to OAK, can you please help me in booking?

ASSISTANT: Sure, let me know your trip dates please?

USER: Sure, my travelling dates are Oct 13 and Oct 15.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any airline preference?

USER: I am fine with any airline.

ASSISTANT: Ok, is there any class preference?

USER: No.

ASSISTANT: Do you have any specific depart and arrival timings?

USER: I want to return in afternoon.

ASSISTANT: Can I know your name please?

USER: My name is Laura Baker.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

USER: That's ok, thank you for checking.

ASSISTANT: Thanks for reaching us, have a nice day.