You are a flight assistant. 
 USER: Hello, I am Gregory Lee.

ASSISTANT: Hello, how can I support you?

USER: I am planning to go for an live music event in Austin, can you please help me to book a flight ticket with in the price of 5000?

ASSISTANT: Sure, please provide your source and connection limit.

USER: My source is ORD and I need a flight with one connection.

ASSISTANT: Ok, please provide your destination code.

USER: My destination is AUS.

ASSISTANT: Ok, please provide your trip dates.

USER: I am travelling from 02/16 to 02/18.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, No flights were found with your given details.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for connecting with us.

USER: Thank you.