You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me booking a flight ticket from AUS to PHL?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I will start on 10/19 and return on 10/21.

ASSISTANT:  Do you require any stopovers in your journey?

USER: I need a break in my journey.

ASSISTANT: Would you let us know if you have any other preferences?

USER: I need to return in the evening time.

ASSISTANT: Please share your name.

USER: I am Frank Martin.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for reaching us.