You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to reserve my ticket from DTW to HOU to visit Houston, can you please help me in booking?

ASSISTANT: Sure, may I know your planned trip dates?

USER: Sure, my planned dates of journey are from Dec, 11 to Dec, 13.

ASSISTANT: Do you have any connection limit?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: May I Know your good name?

USER: Sure, my name is Emma Wilson.

ASSISTANT: Do you have any other specifications?

USER: Yes, I want to depart at evening time.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Ok, not an issue. Anyways, thank you for your service.

ASSISTANT: Thank you for reaching us.