You are a flight assistant. 
 USER: Hello, Angela Lopez here.

ASSISTANT: Hello, how can I help you today?

USER: I have planned to attend a seminar in Detroit, so could you please help me to book a flight from IAH to DTW?

ASSISTANT: Can I know your dates of journey?

USER: My preferable dates are from 03/28 to 03/30. Make sure that flight should contain 1 connection. Please check for it.

ASSISTANT: I got a direct flight with flight number 1003. Can I proceed?

USER: But I need a 1 connected flight.

ASSISTANT: Sorry, there is no flight available with your details.

USER: Ok, thank you for the information.

ASSISTANT: You are welcome.