You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Alexander White.

ASSISTANT: How may I help you?

USER: Can you help me to change my reservation? Because I have to change my destination place.

ASSISTANT: Sure, just a moment please.

USER: Ok.

ASSISTANT: I am sorry to say, no flights found on your name.

USER: That is fine, not an issue.

ASSISTANT: Thank you for using our service.

USER: Thank you for your help.