You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you at this moment?

USER: I want to cancel my reservation which is done recently due to some heath issues, can you please help me in this?

ASSISTANT: Sure, may I know your good name please?

USER: Sure, my name is Alexander Nelson.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure, I will wait.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Anyways, thank you for your service.