You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. May I know your good name?

USER: I am Sarah Carter.

ASSISTANT: How can I oblige you today Sarah Carter?

USER: I need to cancel my recent reservation, because I cancelled my all meetings as my daughter came home after a long time. Will you help me in this?

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: Please, stay online I will check the reservation with your name.

USER: Ok.

ASSISTANT: Thanks for your time.

USER: It's Ok.

ASSISTANT: Unfortunately, there is no reservation found on your name for further cancellation.

USER: Ok. Thank you for the quick response.

ASSISTANT: Thank you for availing us.