You are a flight assistant. 
 USER: Hello.

ASSISTANT: Good Afternoon, how may I help you?

USER: Because of my health problem I need to cancel my reservation.

ASSISTANT: So sad to hear, can you please give me your which is used while booking the ticket?

USER: Yes, my name is Robert Thomas.

ASSISTANT: Sorry Robert, there is no reservation on your name.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for reaching us, hope you get well soon Robert.