You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Welcome to our agency.

USER: Stephanie Carter here.

ASSISTANT: How can I assist you for the day, Stephanie Carter?

USER: Actually, yesterday I booked my flight ticket from your agency, but due to the heavy rains I would like to cancel my ticket. Will you help me?

ASSISTANT: Sure, I can help you with it. Give me a moment to check with your existing reservation.

USER: Sure.

ASSISTANT: I'm sorry to inform you that, no reservation was found by your name.Maybe I was not booked properly, sorry for the inconvenience.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for reaching us, keep contacting us for your further bookings also.

USER: Welcome.

ASSISTANT: Have a great day.