You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me to book a flight from IAH on July 8th?

ASSISTANT: May I know your travel dates?

USER: I will be returning on July 10th.

ASSISTANT: Do you have any other specifications?

USER: I am fine with maximum one connection.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: Please provide your destination airport code?

USER: I am heading to Detroit - DTW.

ASSISTANT: May I know your name please to proceed for booking?

USER: My name is Nancy Davis.

ASSISTANT: Sorry, Nancy Davis there is no flight found as per your preferences.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.