You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend a seminar on automation, so please book my ticket from DTW to HOU.

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My itinerary dates are Dec 7 and 9.

ASSISTANT: May I know your name to proceed further.

USER: Edward Garcia here.

ASSISTANT: Do you need any connections between your trip?

USER: I need single stopover in my journey.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: We regret to inform you that there is no flights going on your way.

USER: No problem, thank you.

ASSISTANT: Thank you for contacting us.