You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Sarah Edwards.

ASSISTANT: How can I assist you for the day?

USER: I need to cancel my reservation, as my planned trip with my friend's got cancelled. can you please help me out?

ASSISTANT: Sure, we will help with that.

USER: Thank you for considering my request.

ASSISTANT: Can you please wait for a moment, so that I can check your active reservation and make it cancel?

USER: Ok, I will wait for your positive response.

ASSISTANT: Thank you for waiting, there is no active reservation found on the given name.

USER: Ok, It might be cancelled by my brother, but he did not inform me yet.

ASSISTANT: Ok.

USER: Anyway, thank you for the information.

ASSISTANT: Thank you for contacting our agency, hope you liked our services.