You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brian Edwards.

ASSISTANT: Brian, how can I aid you today?

USER: I want to book a flight ticket to meet my cousin at HOU, can you help me with booking a connecting flight?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your travel dates please?

USER: I will fly on Feb 23 and arrival on Feb 25.

ASSISTANT: Ok, can you please provide your source code?

USER: My source airport code is JFK.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure.

ASSISTANT: Sorry Brian, there are no flights available on your requested dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.