You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best assist you now?

USER: I am Melissa Nelson. I would like to cancel my reservation as I am leaving for pilgrimage, can you please help me out?

ASSISTANT: Sure, we are here to help you in that. Please stay online, I will check the previous list and revert to you.

USER: Sure.

ASSISTANT: We are sorry to say that, there is no active reservation found on your name.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thanks for consulting us, wish you a great day.