You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Sharon Smith.

ASSISTANT: How may I assist you for the day madam?

USER: Due to sudden earthquake at my destination, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sharon Smith, please wait for a while till I check with your existing reservation.

USER: Sure, take your time.

ASSISTANT: Sorry for the inconvenience but there is no active reservation found by your name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for consulting with our services.