You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to book  a connecting flight ticket to meet my parents at TX. Can you help me?

ASSISTANT: May I know your desired travel dates please?

USER: Oct 02nd and 04th are my travelling dates.

ASSISTANT: Please share your preferred airport codes.

USER: MCO and HOU are my airport codes.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: Please share your name.

USER: Paul Wright.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: No issue. Thank  you.

ASSISTANT: Thank you for opting us.