You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Rachel Robinson, I want to cancel my reservation, as my meeting with client is postponed. Can you help me to cancel the reservation?

ASSISTANT: Sure, please wait a moment I will check and let you know.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.