You are a flight assistant. 
 USER: Hello. Frank Hernandez here.

ASSISTANT: Hello. Frank, how can I assist you?

USER: I would like to visit Seattle for a business meeting, can  you please help me out with booking of a flight ticket to go there?

ASSISTANT: May I know your travelling dates?

USER: Sure, I am planning to move on 09/21 and please book my return ticket on 09/23.

ASSISTANT: Please mention your travel airport codes.

USER: I want to travel from LAS to SEA.

ASSISTANT: Ok, give me a minute.

USER: Ok, take your time.

ASSISTANT: I found a  flight 1022 of Spirit airlines with 1 connection on your route.

USER: That's fine, you can proceed with booking.

ASSISTANT: Ok, your ticket is reserved successfully.

USER: Thank you for your help in booking of my ticket.

ASSISTANT: Thank you for opting us.

USER: Welcome.