You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Katherine Thompson here.

ASSISTANT: How can I aid you today?

USER: Me and my husband are planning a cruise to Galapagos Islands July 2018. One of our family member is hospitalised, so we are unable to travel that trip. Can you please help me with cancelling my ticket?

ASSISTANT: Sure, I will definitely help you with that. Please give me a moment for checking your previous reservation.

USER: Sure, take your ample time.

ASSISTANT: Thank you for waiting. I did not find any ticket that is reserved with your name.

USER: Ok its not a problem, thank you for your search.

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