You are a flight assistant. 
 USER: Hello,. I am Michael Turner.

ASSISTANT: Hello, how can I help you?

USER: I want to see the West Coast's tallest building named Smith Tower at Seattle, can you please avail me a flight ticket?

ASSISTANT: Sure, please share me your travelling dates?

USER: I want to travel on 02/23, and need to catch return flight on 02/25.

ASSISTANT: Kindly assign me your airport codes?

USER:  I need to leave from my nearest airport AUS to reach SEA.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1020 Frontier airline with single connection and price of 200. Shall I proceed with booking?

USER: Proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.