You are a flight assistant. 
 USER: Hello, my name is Eric Harris.

ASSISTANT: Hello, how can I provide assistance to you?

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

ASSISTANT: Sure, I will help you with changing a reservation. Please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, no reservation found on given name.

USER: Ok fine, thank you.

ASSISTANT: Thank you for reaching our agency.