You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I oblige you?

USER: I am planning to attend an workshop in DFW, can you help me in booking a ticket from ORD?

ASSISTANT: Sure, I am here to help you. May I know your desired trip dates?

USER: I am departing on May 03 and return on May 05.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I am ok with any connection limit.

ASSISTANT: May I know your depart and return timings?

USER: I want to return in afternoon time.

ASSISTANT: Is there any class preference?

USER: I am ok with any class.

ASSISTANT: Do you have any specifications?

USER: I want a flight with normal-cost airlines.

ASSISTANT: May I know your name?

USER: My name is Donald Scott.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your patience, there is a flight with 1 connection in Delta airlines and price is 100. Shall I book?

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket is booked with the flight 1025.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.