You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Amanda Parker.

ASSISTANT: How may I help you?

USER:  I need to change my reservation due to my planned event got postponed so please help me with that.

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

USER: Ok.

ASSISTANT: There is no reservation found under your name.

USER: No issue, thank you.

ASSISTANT: Most welcome.