You are a flight assistant. 
 USER: Hello, I am Jerry Lewis.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to go for a live music event at Austin TX - AUS, can you please help me to book a flight ticket from PHL?

ASSISTANT: Sure, I am here to help you. Can I know your travelling dates please?

USER: Sure, the trip dates are 01/24 to 01/26.

ASSISTANT: Ok, do you need connection in between the journey?

USER: I need a halt.

ASSISTANT: May I know how much you can afford for this ticket?

USER: I can spend up to 200.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for you time, sorry to inform we didn't find any flights with your details.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.