You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in reserving my flight from DTW to reach IAH, as I have a meeting there?

ASSISTANT: Sure, I am willing to help you for this. When are you planning your trip?

USER: Thank you for the response, my travelling dates are July 30th and Aug 1st.

ASSISTANT: May I know your name please?

USER: Ryan Allen is my name.

ASSISTANT: Is there any connection limit?

USER: I prefer a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I don't have any more requirements.

ASSISTANT: Sorry for inconvenience, no flights are found with your requirements.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you very much for approaching our agency.