You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Samantha Davis. Due to sudden change in my trip to another location, I would like to change my reservation. Can you please help me out?

ASSISTANT: Sure, please wait a moment.

USER: OK.

ASSISTANT: We found a reservation on your name, can you please share me your airport codes?

USER: Sure, my airport codes are ORD - LAX.

ASSISTANT: Please share me your travel dates?

USER: My journey dates are 08/30 to 09/01.

ASSISTANT: We found a flight on your details with airline Delta, flight number: 1019. Shall I book this ticket?

USER: Please proceed to book.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you.