You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Christine Carter. I need to amend my reservation due to some crisis going on in my destination, can you help me in modifying my destination?

ASSISTANT: Please wait for a moment.

USER: Ok, respond me fast.

ASSISTANT: I will inform you as soon as possible.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found basis on your details.

USER: I have done my reservation properly, how this happen now this. Check the reservation on my name again.

ASSISTANT: Sorry Carter, there is nothing wrong from our side.

USER: That's ok, I check my email about this concern. Thank you for your information.

ASSISTANT: Thank you for contacting us.