You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: Could you book my ticket from OAK to AUS?

ASSISTANT: Sure, may I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any airline preference?

USER: I prefer normal-cost airlines.

ASSISTANT: Could you please ensure your journey dates?

USER: My trip dates are July 5 and July 7.

ASSISTANT: Is there any more specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: Jerry Parker here.

ASSISTANT: Sorry, there are no flights found from your source on given dates.

USER: No problem, thank you.

ASSISTANT: Thank you for availing us, have a good day.