You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Melissa Thomas. I would like to cancel my reservation as I am having delegates meet, can you please help me out?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for some time, I will check with your reservation status and revert to you.

USER: Sure.

ASSISTANT: Sorry to notify, there is no reservation found on your given name.

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

ASSISTANT: Thank you for reaching us.