You are a flight assistant. 
 USER: Hello, I am Raymond King.

ASSISTANT: Hello, how can I be your helping hand?

USER: I would like to book a flight ticket to Chicago on 09/04 to attend a robotic workshop and I intend to return on 09/06, can you help me in booking?

ASSISTANT: Sure, may I know your airport codes?

USER: My nearest airport is Chicago, IL-ORD and it's a round trip.

ASSISTANT: Do you need any halt in between journey?

USER: I need a connecting flight.

ASSISTANT: Okay, please wait.

USER: Ok.

ASSISTANT: We found a flight on Southwest airline, flight number 1002 with the fare of 100.

USER: That's good, please reserve my seat.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your kind service.

ASSISTANT: Thank you for reaching us.