You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: Elizabeth Rodriguez here. Can you please help me in booking a ticket from HOU to DTW? As I have to attend a wedding.

ASSISTANT: I am here to help you about that. Can you please provide your planned dates of your journey?

USER: Sure, my planned departure and return travel dates are 5th and 7th of July.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: Yes, I want to return in the evening time.

ASSISTANT: Do you have any other requirements about your journey?

USER: Yes, my maximum connection should be 1.

ASSISTANT: Sorry to say this Elizabeth Rodriguez, there are no flights which travels on your route.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: You are welcome, thank you for reaching us.