You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kimberly Martin.

ASSISTANT: How can I aid you today?

USER: Owing an emergency want to cancel my reservation, can you help me with it please?

ASSISTANT: Sure, wait a while I will check the update.

USER: Ok.

ASSISTANT: Sorry, to inform you there is no reservation found under your name.

USER:  That's ok, thank you for the response.

ASSISTANT: Thank you for opting us.