You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you at this moment?

USER: I am Jacob Mitchell. I want you to make my flight reservation from OAK to AUS. Please do that for me.

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, I have to depart on Oct 27th and I have to return back on Oct 29th.

ASSISTANT: Ok, please share your airline preference.

USER: Yes, I need a normal-cost airlines.

ASSISTANT: Ok, do you need any break in between the journey?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: Yes, I prefer to depart in the afternoon.

ASSISTANT: May I know your good name please?

USER: My name is Jacob Mitchell.

ASSISTANT: There are no flights found on your requested dates.

USER: No problem, thank you for checking.