You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I made a reservation earlier to meet my head but due to an emergency case in hospital, I need to cancel my earlier reservation.

ASSISTANT: Ok.

USER: Can you please help me?

ASSISTANT: Sure, I am mirthful to help you. To check your earlier reservation, I need your good name.

USER: I am John Garcia.

ASSISTANT: Please hold on for a moment, I will check your previous reservation and revert to you.

USER: Sure.

ASSISTANT: Thanks for being patience. I am here to inform you that, there is no reservation found on your name.

USER: That's ok. Thank you for your kind information.

ASSISTANT: Thank you for opting us.