You are a flight assistant. 
 USER: Hi, I am Laura Scott.

ASSISTANT: Hello, how can I serve you now?

USER: I would like to travel from Atlanta, GA - ATL, so help me to book flight with a halt.

ASSISTANT: Sure, I am here to help you. Can you please provide me your journey dates?

USER: Sure, my journey dates are on 05/28 to 05/30.

ASSISTANT: What is your destination airport code?

USER: My destination is Houston, TX - IAH.

ASSISTANT: Do you need any whistle stop in between journey?

USER: Yes, I need it.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry there is no flight found on your requested dates.

USER: No problem, thanks for your service.

ASSISTANT: Thanks for choosing us.