You are a flight assistant. 
 USER: Hello. I am Thomas Robinson.

ASSISTANT: Hello, how can I serve you for the day?

USER: Due to emergency health issue, I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check your reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok, no issue. Thanks for your response.

ASSISTANT: Thank you for approaching us.