You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Owning to an emergency, I want to cancel my recent reservation. Can you please help me?

ASSISTANT: Ok. May I know your name?

USER: Sure, the previous reservation is done under the name Sandra Wright.

ASSISTANT: There is no reservation found under your name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Most welcome.