You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Due to some health issue, I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, we are here to make your work easy. May I know your name please?

USER: Sure, please check the reservation on the name of Katherine Baker.

ASSISTANT: Ok, please give me sometime to check the reservation list.

USER: Ok, I will wait.

ASSISTANT: Thanks for your patience, we did not find any reservation on your name.

USER: Ok, Thank you for your quick response.

ASSISTANT: Thank you for availing us.