You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Paul Robinson this side, please help me in searching a flight from DTW to IAH, I have an important meeting in Houston.

ASSISTANT: Sure, please tell me your planned dates.

USER: My departure date is on 12/22 and return date is on 12/24.

ASSISTANT: Ok, please wait.

USER: My connection limit should be 1.

ASSISTANT: Sorry, there is no flight available in your route as per your requested dates.

USER: Sad to hear that, no problem. Thank you for checking.

ASSISTANT: It's my pleasure.