You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: As part of my schedule I have client meeting for that I made a reservation earlier. Unfortunately the meeting got postponed so, I want to change my existing reservation.

ASSISTANT: Sure, Please wait a while I will check and get you back. Could you please send me your updated journey details?

USER: Sure, starts from Chicago, IL - ORD to Minneapolis & St.Paul, MN - MSP. Dates are as follows, 06/03 to 06/05. Please make the booking wit the name Anna Collins.

ASSISTANT: We found a airline that matches your requirement. Airline:Southwest,Flightnumber:1016 with 1 connection and the price is 200.

USER: It's good to here, please book the ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you, I am happy with your service.

ASSISTANT: Thank you for choosing us.