You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you for the day?

USER: I want to change my recent reservation, can you please help me with that?

ASSISTANT: Ok, please mention your name to check your previous booking.

USER: Myself Sharon Hall.

ASSISTANT: Ok, please be on hold for a while.

USER: Sure.

ASSISTANT: I regret to inform you, there is no active reservation found by your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for connecting with our agency.