You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. In which way I can aid you today?

USER: I need to cancel my ticket due to my health issue, can you help me with that?

ASSISTANT: Sure, I will aid you with that. May I know your name for further process?

USER: I am Amy Hernandez.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: There is no previous reservation available under your name.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us.