You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Samantha Rodriguez.

ASSISTANT: How may I assist you at this moment?

USER: I need to cancel my reservation due to I am unable to catch that flight on reserved date due to some important work. So please help me with that.

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment to check your reservation.

USER: Sure, take your time to check.

ASSISTANT: We regret that, there is no reservation on your name in our records.

USER: Oh! It may not be booked properly due to some technical issues.

ASSISTANT: Thank you for contacting us, have a great day.

USER: Anyway, thank you for your time.

ASSISTANT: Welcome.