You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Could you please book a ticket from Charlotte, NC-CLT to Detroit, MI-DTW.

ASSISTANT: Yes, can you tell me your travelling dates?

USER: My travelling dates are from 04/22 to 04/24.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found a flight ticket with a price of 200 and 1 connection.

USER: Please book a ticket.

ASSISTANT: Can I know your name for booking?

USER: My name is William Moore.

ASSISTANT: Ok, your ticket has been booked.

USER: Please provide flight number.

ASSISTANT: Thank you for reaching our agency. Flight number is 1002 of Hawaiian airlines.

USER: Thank you.