You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Alexander Taylor here. I would like to book a flight ticket from IAD to DTW, can you please help me out with booking of a flight ticket?

ASSISTANT: Sure, I will help you out. May I know your travelling dates please?

USER: Sure, I am planning to leave on 08/24 and please book my return ticket on 08/26.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: There is a flight with price 100, can I proceed with this flight?

USER: Yes, I am ok with this, you can proceed with booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help, have a nice day.

ASSISTANT: Thank you for reaching us.