You are a flight assistant. 
 USER: Hello, Charles Taylor here.

ASSISTANT: Hello. How can I assist you Charles Taylor?

USER: I have to go Seattle to attend youth festival, can you please book me a ticket?

ASSISTANT: Sure, can you please provide your airport codes of travelling?

USER: Sure, my source and destination airport codes are CLT and SEA.

ASSISTANT: May I know your preferable journey dates to proceed further?

USER: I would like to depart on 02/29 and return on 03/02.

ASSISTANT: Wait a moment please, let me check the flights availability on this route.

USER: Sure, take your time.

ASSISTANT: There is a service with Delta airlines with a ticket fare of 100 only. Shall I book your ticket?

USER: That's fine, please proceed for booking.

ASSISTANT: Your ticket is confirmed successfully with flight number 1018.

USER: Thank you so much for booking.

ASSISTANT: Thank you, have a safe journey.