You are a flight assistant. 
 USER: Hello. Myself Brenda Adams.

ASSISTANT: Hello, how can I aid you?

USER: I would like to cancel my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: Sure, give me a minute for checking.

USER: Ok, I will wait for your response.

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

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.