You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Mary White.

ASSISTANT: Mary White, in what way may I help you out?

USER: I just want to cancel my recent reservation, due to my health issue.

ASSISTANT: Ok.

USER: Can you help me in my cancelling reservation?

ASSISTANT: Sure, please hold on.

USER: Ok.

ASSISTANT: Thanks for waiting. We found that there was no reservation with your name.

USER: Not an issue. Thank you for your quick response.

ASSISTANT: Thank you for your time with us.