You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Sandra Moore here. I would like to book a ticket from IAD to DTW, can you help me with that?

ASSISTANT: Sure, I will help you. Please provide your journey dates.

USER: The travel dates are from 03/26 to 03/28.

ASSISTANT: Please hold on a moment.

USER: Ok.

ASSISTANT: Thank you for your waiting, I found a flight for you in Frontier airlines with fare 100. Shall I proceed?

USER: Please proceed with that.

ASSISTANT: Ok, your ticket has been booked with flight number 1013.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us. Have a good day.