You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry there is no reservation found on your name.

USER: Ok fine, thank you.

ASSISTANT: Thank you for contacting us, have a good day.