You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hi.

USER: I am Susan Wright.

ASSISTANT: Susan Wright, how may I assist you today?

USER: Can you help me in changing my recent reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please allow me a minute.

USER: Sure.

ASSISTANT: I regret to inform you that there in no reservation done on your name.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for reaching us. Have a great time.