You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Edward Adams.

ASSISTANT: How can I assist you at this moment?

USER: I am planning to visit Lady Bird Lake at Austin, could you please help me with booking a flight ticket?

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

USER: My nearest source airport code is SEA and destination airport code is AUS.

ASSISTANT: May I know your travelling dates to proceed further?

USER: I would like to take off on 09/11 and return on 09/13.

ASSISTANT: Flight-1020 is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Please proceed with the booking.

ASSISTANT: Edward Adams, your ticket is booked with Delta airlines.

USER: Thank you for your service.

ASSISTANT: Thank you.