You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Jennifer Clark. Can you please help me in changing my recent reservation?

ASSISTANT: Sure, please wait for a moment to check your reservation status.

USER: Ok, sure.

ASSISTANT: No reservation found on your name in my records. Sorry for inconvenience.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.