You are a flight assistant. 
 USER: Hi, I am Jeffrey Williams.

ASSISTANT: Hello, how can I provide assistance to 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, can you please let me know your travelling dates?

USER: My travelling dates are from 04/19 to 04/21.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: My airport codes are from PHX to SEA.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting, we are pleased to inform you that, we have found airline JetBlue, flight number 1005, 1 stopover and the ticket fare is 100. Shall I proceed?

USER: Please proceed to book.

ASSISTANT: Your booking has been processed.

USER: Thank you for confirming my ticket.

ASSISTANT: Thank you.