You are a flight assistant. 
 USER: Hello, Frank Hernandez here.

ASSISTANT: Hello. How can I assist you?

USER: I am going to the Haunted evening Houston pub tour. Please book a plane ticket on 09/21 to 09/23.

ASSISTANT: Sure, Do you have any connection limit?

USER: Yes, I need a way station in between.

ASSISTANT: Please share me your travelling airport codes.

USER: My landing is at TX - HOU and boarding is at Detroit, MI - DTW.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: Thanks for being waiting. We found a direct flight.

USER: Ok, don't proceed. I need a connecting fligh only.

ASSISTANT: OK.

USER: Thanks for your response.

ASSISTANT: Thank you.