You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you?

USER: Owing an emergence, I want to cancel my recent reservation. Can you please help me with?

ASSISTANT: Ok. I will help you, please provide your name to check the reservation.

USER: My name is Anna Harris.

ASSISTANT: Give me a minute, please.

USER: Ok.

ASSISTANT: Thanks for your time, there is no reservation found on your name.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for approaching us.