You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Is this Global flight ticket booking agency?

ASSISTANT: Yes, you are at the right place. May I know your name?

USER: Sure, my name is Charles Hill. I want to visit San Francisco on 05/27, for a business meeting purpose, can you please check is there any flight available from Seattle?

ASSISTANT: Sure, can I have your return date?

USER: I want return to Seattle on 05/29.

ASSISTANT: Kindly share your nearest airport codes.

USER: I want to departure from SEA airport and destination airport is SFO.

ASSISTANT: Just wait online, I will check for the availability.

USER: Sure.

ASSISTANT: We found a flight for you in Frontier airline. Shall I proceed for the booking?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket is confirmed with the flight number 1012.

USER: Thank you for your help.

ASSISTANT: Welcome, have a nice journey.