You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I need to cancel my reservation due to some issues, can you help me out?

ASSISTANT: Sure. Tell me your name please?

USER: Myself Barbara Hernandez.

ASSISTANT: Please wait.

USER: Sure, take your own time.

ASSISTANT: Thanks for waiting. Sorry there is on flight reservation on your name to change it.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you.