You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,. How may I help you?

USER: Please book a flight ticket to TX - DFW from MI - DTW. Can you help me?

ASSISTANT: Sure.

USER: Ok.

ASSISTANT: Please mention your travel dates?

USER: My planned dates are from 09/28 to 09/30.

ASSISTANT: Please provide flight connections limit?

USER: I need a single connection.

ASSISTANT: Please let me know your name?

USER: Myself Kathleen Martinez.

ASSISTANT: No flight found for your requirement.

USER: Thank you for your kind information.

ASSISTANT: Thanks. Have a nice day!.