You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: Can you please help me to cancel my previous reservation because I have cancelled my trip due some financial problems?

ASSISTANT: Sure, will you please let me know your name?

USER: Thank you. My name is Samuel Martin.

ASSISTANT: Ok, please wait.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting, I regret to inform you that there is no reservation found active under your name in our database.

USER: It's ok, not a problem with that. Thank you for your time.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.