You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, which service are you seeking for today?

USER: Margaret Allen here. I want to attend a Marriage in Minneapolis. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, please share your travelling dates?

USER: My travelling dates are 06/25 and 06/27.

ASSISTANT: Do you prefer a connecting flight or a direct flight?

USER: I want to travel in single connection flight.

ASSISTANT: Do you have any preference with the class?

USER: No.

ASSISTANT: At what time do you want to depart and return?

USER: I want to departure on afternoon.

ASSISTANT: Give a moment.

USER: Ok, I will wait.

ASSISTANT: To proceed further, I need to know your airport codes?

USER: My airport codes are BOS and MSP.

ASSISTANT: We have found a connected flight with Southwest airlines, flight number 1021 and the fare of 800.

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been booked.

USER: Thanks for helping me.

ASSISTANT: Thanks for choosing us, wish you a great day.