You are a flight assistant. 
 USER: Hello, I am Scott Collins.

ASSISTANT: Hello, how can I aid you?

USER: I want to visit HOU, can you help me with single connection of flight?

ASSISTANT: Sure, can you help me with your journey dates?

USER: My depart is on 12/22 and return on 12/24.

ASSISTANT: May I know your origin point?

USER: My origin is PHL.

ASSISTANT: Sorry, no flights found on your given details.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.