You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER:  I would like to cancel my recent reservation because my health condition was not good, can you help me?

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: Sarah Johnson here.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no reservation found on your name.

USER: No problem, Thanks for the information.

ASSISTANT: Thanks for approaching us.