You are a flight assistant. 
 USER: Hello, I am Jacob Brown.

ASSISTANT: Hello. How could I render you today?

USER: Due to some entrepreneurship meeting, I am going to change my existing reservation. Can you please help me in changing the reservation?

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: We found a reservation on your given name in our data base. Could you please share me your airport codes?

USER: My airport codes are from LAX to MSP?

ASSISTANT: May I know when you want to start and return your new journey?

USER: I will start on 05/25 and return on 05/27.

ASSISTANT: There is a flight available with an airline Hawaiian of flight 1003 and price is 100. Shall I confirm your booking?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked on name of Jacob Brown.

USER: Thank you for your kind service.

ASSISTANT: Thank you for opting us.