You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to visit Space Center in Houston-HOU.

ASSISTANT: Can you provide your further journey details?

USER: Sure, my travel dates are 09/07 to 09/09. I am travelling from SFO to HOU.

ASSISTANT: Can I know your name please?

USER: Jessica Allen here.

ASSISTANT: Sorry Allen, I didn't find any flight with your details.

USER: Ok, thanks for helping me.

ASSISTANT: Thank you for contacting us.