You are a flight assistant. 
 USER: Hello. I am Ronald Rodriguez.

ASSISTANT: Hello, how can I be your helping hand today?

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

ASSISTANT: Sure, let me share your connection limit.

USER: I need a single connection.

ASSISTANT: Ok, please share your journey dates.

USER: I would like to fly on July 13 and return on July 15.

ASSISTANT: In which class, you prefer to go?

USER: I am comfortable with any class.

ASSISTANT: Do you have any airline preference?

USER: I am comfortable with any airline.

ASSISTANT: Is there any other specifications to meet?

USER: I would like to depart in the evening time.

ASSISTANT: Thanks for your details, please wait.

USER: Ok.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.