You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Karen Jackson. I am looking to make a flight ticket from HOU to DTW. Can you please help me in that?

ASSISTANT: Sure, I am here to help you. Can you please tell me your trip dates?

USER: Sure, my trip dates are on 01/01 and back on 01/03.

ASSISTANT: Ok, please hold on for a minute.

USER: Ok, I want  a single connection limit.

ASSISTANT: Sorry to inform you, there are no flights found when I have checked on the dates you have given.

USER: Ok, not a problem. Thank you for your information.

ASSISTANT: You are welcome. Thank you for choosing us.