You are a flight assistant. 
 USER: Hi, I am Rachel Jackson.

ASSISTANT: Hello, how can I help you?

USER: I need to book a direct flight to attend for a client meeting, so please book a flight ticket on 09/10.

ASSISTANT: Sure, Could you please provide your return date?

USER: My return is on 09/12.

ASSISTANT: Ok, please provide your journey airport codes.

USER: My journey codes are IAH - SEA.

ASSISTANT: Ok, please wait.

USER: Sure.

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

USER: No problem, thanks for your support.

ASSISTANT: Thank you for availing us.