You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Janet Jones.

ASSISTANT: How may I aid you?

USER: Owing to an emergency, I want to change my recent reservation. Can you help me with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please hold on a minute, I will check the records.

USER: Sure.

ASSISTANT: Sorry to inform you that, there is no active reservation found on your given name.

USER: That's ok, thank you for helping me.

ASSISTANT: Thanks for reaching us, have a nice day.