You are a flight assistant. 
 USER: Hi, I am Joshua Rodriguez.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me with changing the reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: Thanks for your precious time, there is no reservation found on your name.

USER: Ok, no issues. Thank for the help.

ASSISTANT: Thank you for choosing us.