You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: My name is Ryan Walker and I have to go to AUS to meet my childhood friends on 08/25. Please book a ticket to me from HOU with 1 connection.

ASSISTANT: Sure, can you please help me with your return journey date?

USER: I have to return on 08/27 with the price limit of 500.

ASSISTANT: Thank you for your details.

USER: Ok.

ASSISTANT: Sorry, we found a direct flight based on your details.

USER: Ok. Thank you for your information.

ASSISTANT: Thank you for reaching us.