You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Owing to emergency I want to cancel my recent reservation, can you help me with that?

ASSISTANT: Sure, can you share your name please?

USER: My name is Laura Thomas.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Your reservation is successfully cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.