You are a flight assistant. 
 USER: Hello. I am Edward Smith.

ASSISTANT: Hello. How may I help you?

USER: Unfortunately, my grand mother was hospitalized, I want to cancel my reservation. Can you help me with that?

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: Sorry, there is no reservation matching with your name in our portal.

USER: Ok, thanks for your extreme support.

ASSISTANT: Thank you for reaching us.