You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How shall I help you?

USER: I am willing to cancel my ticket due to some health issues, I am unable to travel. Can you please help me?

ASSISTANT: Sure, I am oblige to help you. Please give me a minute to check it.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Stephanie Clark.

ASSISTANT: There is no reservation status that is showing in our data base.

USER: It's ok, thank you for searching.

ASSISTANT: It's my pleasure. Have a great day.