You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am trying to cancel my recent ticket because I am unable to travel due to some health issues. Can you please help me with that?

ASSISTANT: Can you give me your name?

USER: My name is Katherine Taylor.

ASSISTANT: Please give me a moment.

USER: Ok, take your time. I will wait for your response.

ASSISTANT: Sorry, I could not found any reservation under your name.

USER: It's ok, not a problem with that. Anyways thank you for checking my ticket status.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.