You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Carol Thompson.

ASSISTANT: How can I assist you?

USER: I have to attend a business meeting in Houston, can you please find a flight for me?

ASSISTANT: Sure Carol. I will help you to find a flight for you, can you please provide me your travelling dates?

USER: Ok, my trip dates are from 06/17 till 06/19.

ASSISTANT: Ok, may I know your airport codes?

USER: I want to fly from DTW to HOU.

ASSISTANT: Ok, give me a moment.

USER: I want a direct flight.

ASSISTANT: Sorry, there is no fights are available on the route HOU.

USER: It's ok, thank you for checking.

ASSISTANT: Welcome. Thank you for choosing us.