You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Samantha Edwards. Due to some health issues, I could not attend the seminar.So I would like to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, I  can help you. Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your time. We didnt found any reservation by this name.

USER: Ok, no issues. Thank you for your service,.

ASSISTANT: Thanks for choosing us.