You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be a help for you?

USER: Would you mind helping me in booking a plane ticket from 10/03 to 10/05?

ASSISTANT: Ok, can you please share your source and destination airport codes?

USER: My source and destination codes are from HOU to DTW.

ASSISTANT: May I know your good name please?

USER: My name is Kathleen Williams.

ASSISTANT: Please wait for a moment, I will check with the available flights and revert back to you.

USER: Ok.

ASSISTANT: Sorry for the inconvenience, there is no flight available on your requested dates.

USER: It's ok, thank you for your assistance.

ASSISTANT: You are most welcome. Have a great day.