You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My holiday trip has been postponed, so I want to change my recent reservation. Could you please help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please tell me your good name to proceed further.

USER: My reservation was done under the name Susan Rodriguez.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, take your time.

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

USER: That's ok, not an issue. Anyways, thank you for the information.

ASSISTANT: My pleasure, have a nice day.