You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: As my plan to visit Houston, TX-HOU on 05/05 to visit NASA space center, can you help me to book a flight ticket?

ASSISTANT: Ok, may I know your source code and return date?

USER: My boarding point is Phoenix, AZ-PHX and return date will be 05/07.

ASSISTANT: May I know your name?

USER: I am Kevin Collins.

ASSISTANT: I found a direct flight with 1008 flight number.

USER: No, make sure that I need a connecting flight.

ASSISTANT: Sorry, no flight with 1 connection. Thank you for reaching us.

USER: Thank you.