You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be of your assistance?

USER: I am Benjamin Williams. I am planning to book a ticket to attend a meeting at PHL. Can you please help me out from AUS?

ASSISTANT: Sure, I will help you. May I know your travelling dates?

USER: I am planning to travel on June 2 and return back on June 4.

ASSISTANT: Do you need any stopover in between the journey?

USER: Yes, I am looking  for a connection flight.

ASSISTANT: Do you have any class preference?

USER: I am ok with any class.

ASSISTANT: Can you please provide your Return timings?

USER: I am ok with any timings.

ASSISTANT: Thanks for the information, there is no flight available on your required dates.

USER: That's fine, thank you for your service.

ASSISTANT: Thanks for reaching us.