You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking  a flight ticket from AUS to SFO?

ASSISTANT: Sure, may I know journey dates?

USER: I like to travel from Sept 24-26.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Let me know your airline preference?

USER: I prefer to fly in normal cost airlines.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, my name is Jeffrey Gonzalez.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for reaching us.