You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to change my reservation to next week, can you help me out?

ASSISTANT: Sure, may I know your name?

USER: My name is Timothy White.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: There was no reservation found on your name.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for choosing us.