You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Alexander Green here.

ASSISTANT: How may I help you?

USER: I want to fly from MSP to BOS to attend my seminar.

ASSISTANT: Sure, may I know your preferable dates?

USER: Can you help me for booking? My fly starts from 05/21 to 05/23. Connection limit should be 1.

ASSISTANT: Yes, I found a flight-1000 southwest airlines, can I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Yes, your ticket is confirmed.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us, have  a safe journey.