You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I amend you?

USER: I am Karen Jackson. I need to book a ticket to meet my friend on an event which is organised by parents but I should be volunteer that event.

ASSISTANT: Sure, we are happy to help you. Please provide me your trip dates.

USER: I would like to leave between 06/24 and 06/26.

ASSISTANT: What are your source and destination points?

USER: My airport codes are from MSP to DTW.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: You have flight 1007 in AA airline with fare 200.

USER: Please book this ticket.

ASSISTANT: Your booking has been done in a connecting flight.

USER: Thank you.

ASSISTANT: Thank you for selecting us.