You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be of your helping hand today?

USER: Can you please help me to book a ticket from DTW to IAH?

ASSISTANT: Sure, do you prefer business or economy class in your journey?

USER: I am comfortable to travel in any class.

ASSISTANT: Can you please let me know your connection limit for this trip?

USER: I would like to travel in a connecting flight.

ASSISTANT: When you are planning to make your journey?

USER: I want to start on Oct 24.

ASSISTANT: May I know your return date please?

USER: I intend to return on Oct 26.

ASSISTANT: Is there any more specifications in your journey?

USER: I want to depart in the morning.

ASSISTANT: May I know your name please?

USER: Justin Baker here.

ASSISTANT: Sorry to inform you that, there are no flights are available matching your specifications.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for approaching us.