You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christine Hernandez.

ASSISTANT: How can I assist you today?

USER: I am planning to cancel my recent reservation, due to health issue. Can you please cancel my ticket?

ASSISTANT: Definitely, I will aid you in cancelling your reservation.

USER: Thank you.

ASSISTANT: Just give a moment.

USER: Sure.

ASSISTANT: Sorry to say this, there is no active reservation on your name in our database.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.