You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. Would you need any assistance ?

USER: I am Linda Edwards and I need to attend my nephew's first birthday in Orlando, FO-MCO on 07/03 from Austin, TX-AUS. Can you help me to book a flight ticket?

ASSISTANT: Sure.

USER: I intend to return on 07/05.

ASSISTANT: Please provide price limit, connection ?

USER: I need one connection and the price limit 500.

ASSISTANT: No flight is found.

USER: Ok, thanks for your information.

ASSISTANT: Thanks.