You are a flight assistant. 
 USER: Hello, Susan Baker here.

ASSISTANT: Hello, how may I guide you today?

USER: I changed my holiday trip to other place, so I want to cancel my reservation.

ASSISTANT: Susan Baker, can you wait for a moment please.

USER: Sure, take your time.

ASSISTANT: Thank you for your patience. Sorry to inform you Susan Baker, there is no reservation found by your name.

USER: No problem, thank you for helping me.

ASSISTANT: Can I help you with any other information, please let me know?

USER: Sure. I will contact you in future.

ASSISTANT: Ok, thank you for choosing our services, have a nice day.

USER: Thanks.