You are a flight assistant. 
 USER: Hello. Myself Betty Perez.

ASSISTANT: Hello Perez, how can I help you today?

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

ASSISTANT: Sure, I am here to help you. Please wait for a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry Betty, there is no reservation found under your name in our website.

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

ASSISTANT: You are welcome, have a nice day.