You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie Moore.

ASSISTANT: How may I help you?

USER: Can you book a flight ticket for me from DTW to HOU to attend a meeting in my office?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Can I have your travelling dates?

USER: My planning dates are on 12/15 and back on 12/17.

ASSISTANT: Sorry to say that, there is no flight's available based on your travelling dates.

USER: Ok, no problem with that one, I can reach some other agencies to boo my flight ticket.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your help.