You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra Anderson.

ASSISTANT: How may I assist you?

USER: I want to book a flight from DTW to reach LAX to meet my high school friends. Can you book a connecting flight for me?

ASSISTANT: When would you like to depart and arrive?

USER: I would like to depart at afternoon.

ASSISTANT: May I know your travelling dates please?

USER: I have planned to travel on Mar 20th and return on Mar 22nd.

ASSISTANT: Please give me a moment.

USER: Ok, I will wait.

ASSISTANT: There is a flight found with an airline Delta of flight 1005 and price is 200 in an economy class with depart time 12:00 PM. Can I proceed with the booking?

USER: It's good. Please book this ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.