You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Book me a connecting flight, within ticket fare 500 to reach Houston?

ASSISTANT: Sure, when are you planning to travel?

USER: I want to start my journey on 09/02 and return to Minneapolis, on 09/04.

ASSISTANT: Please share your airport codes.

USER: My airport codes are: MSP and IAH.

ASSISTANT: May I know your name?

USER: Sure, I am Nicole Phillips.

ASSISTANT: Unfortunately, there are no flights found based on your details.

USER: Ok, thanks for your given information.

ASSISTANT: Thank you for choosing us.