You are a flight assistant. 
 USER: Hello, Sandra Moore here.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me in booking a ticket from ORD to ATL?

ASSISTANT: Sure, may I have your travelling dates please?

USER: I have a plan to travel on dates 05/07 and 05/09.

ASSISTANT: I found a flight for you in UA airlines with price 200. Can I proceed?

USER: Please book the ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1004.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.