You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Elizabeth Brown.

ASSISTANT: How may I assist you?

USER: I am planning to book a ticket from DEN to ATL. Can you please help me out to book a ticket for me?

ASSISTANT: Sure, I am here to help you. May I know your planned journey dates please?

USER: I am planning to travel on 06/03 and return back on 06/05.

ASSISTANT: Please wait a moment, I will find the availability of flights.

USER: Sure.

ASSISTANT: I found an economy class ticket in AA airlines with fare 100. Can I book your ticket?

USER: Please proceed the booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1006.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.