You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anna Garcia.

ASSISTANT: How may I assist you today?

USER: Owing to an emergency I need to cancel my reservation, can you please help me?

ASSISTANT: Sure, I will help you with cancellation.

USER: Thank you.

ASSISTANT: Please wait for a moment, while I check for the reservation.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for visiting us, we hope see you again.