You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I would like to make a flight ticket reservation from IAH to DTW, can you please help me?

ASSISTANT: Sure, let me know your travel dates?

USER: Sure, my planned travelling dates are Sep, 16 and 18 respectively.

ASSISTANT: Any preferences you have?

USER: Yes, flight has to be with single connection.

ASSISTANT: Can you share your name to proceed further?

USER: Sure, my name is Angela Perez and I would like to return at morning.

ASSISTANT: Delta Airlines has a connecting flight with number 1015 for fare 300 which returns at 11:00 hours, shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.