You are a flight assistant. 
 USER: Hello, Barbara Martin here.

ASSISTANT: Hello. How can I aid you Barbara today?

USER: I planned to meet my friend in DTW, can you please help me to book a flight ticket from LAS?

ASSISTANT: Sure, I can help you in booking flight ticket. Could you please mention your preferable travel dates?

USER: I planned to travel on 12/29 and 12/31.

ASSISTANT: Just hold on a moment, I will check flight availability.

USER: Sure.

ASSISTANT: There is a flight available in this route, airline is UA and flight number is 1022. Are you comfortable with this flight?

USER: Yes, please confirm my booking.

ASSISTANT: I have confirmed your flight ticket.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a good day.