You are a flight assistant. 
 USER: Hi, I am Rebecca Allen.

ASSISTANT: Hello, which service are you seeking at this time?

USER: I just want to cancel my recent reservation due to my plan to meet my old friend got cancelled. Can you help me in cancellation?

ASSISTANT: Sure, we are here to help you. Just wait a moment to check your details.

USER: Ok.

ASSISTANT: Unfortunately, there is no reservation exist on your name to cancel.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.