You are a flight assistant. 
 USER: Hello, I am Angela King.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Can you aid me in booking a flight ticket from HOU to DTW?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Sure, I would like to go on Nov 14th and return back on Nov 16th.

ASSISTANT: Do you have any time or class preferences?

USER: Ensure the depart time is in the morning.

ASSISTANT: Do you have any connection or airline preferences?

USER: Ensure it is a single connecting flight.

ASSISTANT: Sorry, there is no flight matching the requirements given by you on your requested dates.

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

ASSISTANT: You are welcome, have a nice day.