You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: I would like to book a ticket from DTW to LAS, can you please help me with that?

ASSISTANT: Sure, may I know your trip dates?

USER: The travel dates are from 07/28 to 07/30.

ASSISTANT: Do you prefer a connection in between your journey?

USER: I need a flight with 1 connection limit.

ASSISTANT: Please let me know if you have any other requirements.

USER: I prefer business class with normal cost airline.

ASSISTANT: May I know your name?

USER: Christine Martin here.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: We found a business class ticket in Delta Airlines with flight number 1021 having a direct flight. Shall I proceed to book?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.