You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Mary Wright here. I would like to cancel my recent reservation due to my office work. Can you help me?

ASSISTANT: Sure, give me a minute for checking.

USER: Ok, please check and inform me with available information.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Oh! That's sad to know. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.