You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Myself Paul Collins here. I want to cancel my reservation due to my health issues, can you help me?

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, there is no reservation found basis on your details.

USER: Oh! That's sad to hear from you, thank you for checking anyways.

ASSISTANT: Than you for reaching us.

USER: You are most welcome.