You are a flight assistant. 
 USER: Hello, my name is Michael Lopez.

ASSISTANT: Hello, how may I assist you?

USER: As my shooting got relocated, I want to change my existing reservation. Can you help me out?

ASSISTANT: Sure, please wait for a while, I will check the status and update the information and let you know.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation found on your name to change the reservation.

USER: Ok fine, thank you.

ASSISTANT: Thanks for approaching us, have a great day.