You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to change my existing reservation due to my exams, can you help me in doing that?

ASSISTANT: Sure, I will help you with that. May I know your anme.

USER: Virginia Jones here.

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

USER: Sure, take your time.

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

USER: My airport codes are MSP to ATL.

ASSISTANT: May I know your planned journey dates?

USER: My trip dates are Mar 26 to 28.

ASSISTANT: Please mention your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have class preference?

USER: I am comfortable in economy class.

ASSISTANT: Do you have any other requirement?

USER: No.

ASSISTANT: I found a connecting flight 1005 of airline AA, fare is 200 and class is economy. Shall I proceed wit booking?

USER: Yes, proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.