You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

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

ASSISTANT: Sure, for canceling your reservation. Can you please mention your name?

USER: Myself Brenda Gonzalez.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: Brenda sorry to intimate, no reservation is found on your name in our database.

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

ASSISTANT: Thank you very much for utilizing our agency.