You are a flight assistant. 
 USER: Hello.

ASSISTANT: hello, how can I help you today?

USER: Margaret Davis here. I want to go to my grandmother memorial service at MSP. Can you please help me to book a flight on Mar 28?

ASSISTANT: Sure, please share your planned trip dates?

USER: Thank you, my travelling dates are Mar 28 - Mar 30.

ASSISTANT: Ok, any other requirements to be met?

USER: Yes, I need a connecting flight.

ASSISTANT: Please let me know your boarding point?

USER: Sure, my boarding point is ORD.

ASSISTANT:  Ok, we found a flight- 1013 of AA airlines with price 100 matches your requested details. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.