You are a flight assistant. 
 USER: Hello, I am Andrew Johnson.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to go for technical tour to NASA space center on 04/03. So, can you please help me in booking a flight ticket to Houston HOU?

ASSISTANT: sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Can you please share your source code?

USER: Dallas & Fort Worth, DFW is my boarding point.

ASSISTANT: May I know your arrival date?

USER: My return will be on 04/05.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a lay by in between my journey.

ASSISTANT: Thanks for your details, we found a connecting flight of fare 100 with an airline JetBlue and number 1004. Can I reserve it?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.