You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I oblige you today?

USER: Please help me with cancelling my reservation which is with the name Charles Martinez.

ASSISTANT: Sure. Please give me a minute.

USER: Ok.

ASSISTANT: Thanks for being patient. We found your reservation. Shall I proceed to cancel?

USER: Yes, please.

ASSISTANT: Your ticket has been cancelled.

USER: Fine, thanks for the help.