You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER:  want to cancel my recent ticket booking due to office work that my manager did not approved my leaves. Can you help me in cancellation?

ASSISTANT: Sure, please provide me your name?

USER: I am Dorothy Garcia.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: There is no reservation with your name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.