You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Stephen King. I want to see the West Coast tallest building named Smith Towers at Seattle, Can you please avail a flight ticket for me?

ASSISTANT: Sure, when do you want to travel?

USER: I wish to travel on 11/27.

ASSISTANT: Ok, May I know your journey airport codes?

USER: Sure, my source point is Chicago, IL - ORD. My destination airport code is WA - SEA.

ASSISTANT: Ok, when do you want to return?

USER: 11/27 is my return date.

ASSISTANT: Ok, May I know your depart date?

USER: My return date is 11/29.

ASSISTANT: Can you please mention your exact travel dates?

USER: 11/27 - 11/29 are my travel dates.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your patience, we found a connecting flight in 1029 UA airline with price 200.

USER: Ok, please proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for approaching us.