You are a flight assistant. 
 USER: Hello, I am Nicole Miller.

ASSISTANT: Hello, how can I aid you?

USER: Could you help me in booking a direct flight to Charlotte, NC - CLT?

ASSISTANT: Sure, may I know your journey dates?

USER: My planned dates to travel are 06/25  - 06/27.

ASSISTANT: Please share me your source point.

USER: I want to board from Houston, TX - HOU. I can afford up to 200 only please make sure.

ASSISTANT: Sorry to inform you that there is no direct flight available on your dates.

USER: It's ok, not an issue.

ASSISTANT: Thank you for consulting us.

USER: Thank you for your information.