You are a flight assistant. 
 USER: Hello. I am Margaret Clark.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a ticket from Denver, CO - DEN to attend my grandfather's 60th anniversary. Can you please book a ticket to Charlotte, NC - CLT?

ASSISTANT: Sure, may I know your journey dates?

USER: I need a flag stop in between my journey.

ASSISTANT: Ok.

USER: I need to depart on 05/30 and return on 06/01.

ASSISTANT: Ok, please hold o for a moment.

USER: Sure.

ASSISTANT: Thank you being hold, I found a flight in Spirit airline at a price of 200 with a halt. Shall I proceed with flight 1006?

USER: Please proceed.

ASSISTANT: Your booking has been done.

USER: Thanks for your help.

ASSISTANT: Thank you for selecting us.