You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Elizabeth Turner here. Can you please help me in booking a direct flight from DTW to HOU, as I have to attend a meeting at Houston?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: Sure, my travelling dates are from 09/09 to 09/11.

ASSISTANT: Ok, please wait a moment to check flight availability.

USER: Ok, take your time.

ASSISTANT: Sorry Elizabeth Turner, no flight is available to you on your dates due to some weather conditions.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us, have a good day.