You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I want to cancel my reservation which is done recently due to my business meeting cancellation, can you please help me in this intent?

ASSISTANT: Sure, I am obliged to help you before going to find a reservation I need your name to check it out.

USER: Sure, my name is Rebecca Clark and go ahead with this.

ASSISTANT:  Please give me a moment to check it and I will get back to you with the proper information.

USER: Sure, take your own time.

ASSISTANT: Sorry, I have checked all my booking list, but I am not able to find any existing reservations under your name.

USER: Ok, that's fine. Not an issue. Anyways, thank you for your appreciable service.

ASSISTANT: It's my pleasure, thank you for giving me an opportunity to serve you.