You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I have an earlier reservation to sign a new contract with my client, due to some problems it got postponed. Can you help me to change my reservation?

ASSISTANT: Sure, may I know your good name?

USER: I am Patricia Evans.

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

USER: Ok, no issues. Thanks for your help.

ASSISTANT: Thank you for reaching us.