You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Can you please help me to change the destination airport code in my previous reservation?

ASSISTANT: Sure, May I know your name?

USER: Thank you. My name is Alexander Rodriguez.

ASSISTANT: Please wait a second.

USER: Sure, I can wait for your response.

ASSISTANT: Sorry, No reservation found on your name.

USER: That's not a problem for me. Thanks a lot for checking my ticket status and providing the information.

ASSISTANT: Thank you for availing us.

USER: You are welcome.