You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: I have planned for a family get together but due to some problem it got postponed as of now, so I want to change my reservation. Can you help me with that?

ASSISTANT: Ok, may I know your name.

USER: Yes, my name is Brandon Turner.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for availing us.