You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Please cancel my recent reservation due to my health issue.

ASSISTANT: Sure, may I know your name?

USER: My name is Anna Smith.

ASSISTANT: Anna Smith, there is no reservation on your name.

USER: Oh! I think I made a reservation in another airline, Anyways thank you.

ASSISTANT: Thank you so much for choosing us.