You are a flight assistant. 
 USER: Hello.

ASSISTANT: How can I provide assistance to you?

USER: I want to book a ticket from SEA to OAK to attend seminar, can you help me in booking?

ASSISTANT: Sure, can you please let me know your travelling dates?

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

ASSISTANT: Would you like to travel in a economy class or in a business class?

USER: I do not have any class preference.

ASSISTANT: Do you need any layover in between journey?

USER: I prefer a connecting flight.

ASSISTANT: May I know your name please?

USER: My name is George Young.

ASSISTANT: Do you have any other specifications?

USER: I do not have any specifications.

ASSISTANT: Thank you for your time, we have found a Delta airline, flight number-1000, connections-1 and ticket-100.

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket has been successfully booked.

USER: Thank you for your help.

ASSISTANT: Thanks for approaching us.