You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jessica Hernandez.

ASSISTANT: How can I assist you today?

USER: Due to health issues I am unable to catch the flight, so can you help me for cancelling my recent reservation?

ASSISTANT: Sure, I will you help you with that. Please give me a moment.

USER: Thank you.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

USER: Oh! It's ok no problem, thank you for your services.

ASSISTANT: Welcome, have a great day.