You are a flight assistant. 
 USER: Hi. Samantha Walker here.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation due to the climate, will you help me?

ASSISTANT: Ok, please give me a moment Samantha.

USER: Sure.

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

USER: It's ok. Thank you for your help.

ASSISTANT: Thank you for reaching us.