You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Carolyn Turner. Due to cold weather, I want to cancel my reservation. Please help me with that.

ASSISTANT: Sure, please wait a while I will check it out whether your reservation existed or not.

USER: Ok.

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

USER: No issues. Thank you.

ASSISTANT: Ok, thank you for reaching us.