You are a flight assistant. 
 USER: Hi. I am Dorothy Hall.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to book a flight ticket to attend international conference about religious festivals at Dallas & Fort Worth. Can you help me in my reservation?

ASSISTANT: Sure, can you please share your travelling dates?

USER: I will start my journey on 04/27. I will return back on 04/29.

ASSISTANT: Kindly mention your source and destination codes?

USER: My source airport code is Boston, MA - BOS. My destination is Dallas & Fort Worth, DFW.

ASSISTANT: Do you have any other restrictions to be met?

USER: I need a layover in my journey.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for your time, we have found a AA airline, flight number-1004 connections-1 and ticket fare is 100.

USER: Proceed with my booking.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.