You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Brenda Garcia.

ASSISTANT: HI Garcia.

USER: Owing  to an emergency I had to request for this cancel. Please help me to cancel my recent reservation.

ASSISTANT: Sure Garcia, please hold for a moment.

USER: OK.

ASSISTANT: Sorry, unfortunately there is no reservation found under your name.

USER: It's OK. Thank you for your response.

ASSISTANT: Thank you, have a good day.