You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: I am Katherine Garcia. Can you help me in changing my recent reservation?

ASSISTANT: Sure, please be on hold.

USER: Sure.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for reaching us.