You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I want to change my existing reservation, can you please help me with that?

ASSISTANT: Sure, I will help you with that. May I know your good name?

USER: My name is Linda Mitchell.

ASSISTANT: Please wait for a moment, while I check for the reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, I found your reservation in our system data. Please share me your airport codes?

USER: My source and destination airport codes are MCO and MSP.

ASSISTANT: Please mention your planned journey dates?

USER: I will start on Dec 29, return on Dec 31.

ASSISTANT: Do you prefer a connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirement?

USER: No.

ASSISTANT: I found a connecting flight 1023 of Southwest Airline, fare is 100 and class is economy. Shall I proceed with booking?

USER: Ok, proceed to booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for visiting us, have a nice journey.