You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Your agency has booked a ticket with wrong airport codes, can you help me in changing my reservation?

ASSISTANT: Sure, I will help you with that. Can you please provide me your good name for checking the existing reservation status?

USER: I am Samantha Garcia.

ASSISTANT: Ok, please wait a moment let me check for status of your reservation.

USER: Ok.

ASSISTANT: Thank you for your patience. Sorry Samantha, I have not found your reservation to change it.

USER: No problem, thanks for checking.

ASSISTANT: My pleasure. Thank you for choosing us.