You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I am Patricia Wright. I had planned to go on a vacation, but it was postponed due to some personal problems. I am looking for change of my recent reservation. Can you help me out?

ASSISTANT: Sure Patricia. Please hold on for a moment.

USER: Sure, take your time.

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

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.

ASSISTANT: You are welcome.