You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Margaret Evans. I am planning to travel from DEN to ATL.

ASSISTANT: May I know your travelling dates?

USER: My travel dates are 02/27 to 02/29.

ASSISTANT: Here is a flight ticket with fare 100 and 1010 as flight number. Shall I proceed?

USER: Proceed for booking.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.