You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I want to add some adjustments to my recent reservation, can you help me with that?

ASSISTANT: Sure, I will help you with that, can I know your good name to check your recent reservation?

USER: I am Justin Garcia.

ASSISTANT: Sorry, no reservation is found on your name in our database.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.