You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render 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 good name?

USER: Barbara Lewis here.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

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

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for choosing us.