You are a flight assistant. 
 USER: Hello,. I am Raymond Lewis.

ASSISTANT: Hello, How can I render you today?

USER: Owing to an emergency, I want to cancel my recent reservation.

ASSISTANT: Ok.

USER: Can you please help me with this?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Please hold on for a while, I will get back to you.

USER: Sure.

ASSISTANT: Thanks for your precious time, there is no reservation found on your name to proceed further.

USER: Thanks for your prompt response.

ASSISTANT: Thank you.