You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I have to cancel my previous flight ticket booking due to some health issues, can you please help me with cancellation process?

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting.

USER: It's alright.

ASSISTANT: Sorry, there are no active reservations on you given name to cancel.

USER: My name is Stephanie Hall, please check with this name once.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there are no active reservations to cancel.

USER: No problem with that one, thank you for your help.

ASSISTANT: Thank you for reaching our service.

USER: Welcome.