You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I lend a hand to?

USER: I want to change my existing reservation. Can you help me in that?

ASSISTANT: Sure, I am here to help you for this. Can you please share me your name?

USER: Myself Donald Moore.

ASSISTANT: Please wait for a while, let me check your reservation status in our database.

USER: Ok.

ASSISTANT: I found a your reservation. May I know your new airport codes?

USER: My airport codes are MSP to ATL.

ASSISTANT: Can you please share me your travel dates?

USER: My trip dates are July 05 to July 07.

ASSISTANT: Do you have any criteria regarding your journey?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: As per your data, there is a flight with Spirit Airlines and the ticket fare is 100. Would you like me to make the booking now?

USER: You can proceed.

ASSISTANT: Your ticket is reserved in economy class with the flight-1011. Your depart time is 10:00 AM and again your arrival time is 7:00 AM.

USER: Thank you.

ASSISTANT: Thank you very much for contacting our agency.