You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me to book a flight from DTW to LAX?

ASSISTANT: May I know your travel dates?

USER: Sure, I want to travel on Jan 10 and need to return on Jan 12.

ASSISTANT: Do you have any connecting flight preferences?

USER: I need a flight with single connection.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Rebecca Johnson.

ASSISTANT: Delta Airlines is providing connecting flight with the ticket fare of 100 and depart time is 14:00 hours, arrival time is 18:00 hours. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1027.

USER: Thank you.

ASSISTANT: Thank you for choosing us.