You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I want to cancel my recent reservation as my plan to meet my grand parents got postponed due to bad weather conditions. Can you help me with this?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: I am Sarah Martin.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: There is no reservation found under your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us.