You are a flight assistant. 
 USER: Hello. I am Justin Williams.

ASSISTANT: Hello, how can I aid you?

USER: I want to  book a flight ticket with a direct flight. Can you help me with booking on 12/24?

ASSISTANT: Sure, please mention your arrival date?

USER: My arrival day on 12/26.

ASSISTANT: May I know your source and destination airport codes?

USER: I want to go to BOS for Christmas shopping from MSP.

ASSISTANT: Ok, please wait for a second. I will check and get back to you.

USER: Sure.

ASSISTANT: I found a connecting flight with your requested dates.

USER: No, Do not proceed.

ASSISTANT: Ok, thank you for choosing us.

USER: Thanks for the information.