You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Patricia Johnson. Can you help me booking a flight ticket from IAD to ATL?

ASSISTANT: Sure, please help me with your journey dates.

USER: I want to travel on 03/27, return on 03/29.

ASSISTANT: Ok, Kindly mention your class preference.

USER: I am comfortable with any class.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your patience, There is a flight found in 1028 UA airline with a fare of 100. Can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Sure, your ticket has been booked in economy class.

USER: Thank you.

ASSISTANT: Thank you for availing us.