You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: Due to some health issues, I would like to cancel my recently done reservation. Can you please help me in this situation?

ASSISTANT: Ok, could you please provide your name to check your previous reservation status?

USER: Sure, myself Christine Hernandez here to check for the availability.

ASSISTANT: Ok, please hold on to check.

USER: Sure.

ASSISTANT: Sorry Christine, there is no reservation found under your name in our records.

USER: That's fine.

ASSISTANT: Would you like to ask us anything else?

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Thank you for your service.

ASSISTANT: Welcome.