You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Owing to an emergency, I would like to cancel my recent reservation. Will you help me with this?

ASSISTANT: Sure, may I know your name?

USER: My name is Gregory Adams.

ASSISTANT: Give me a minute.

USER: Sure, take your own time.

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

USER: Oh! That seems something went wrong while booking the ticket previously.

ASSISTANT: Thank you for opting us.

USER: Thank you for providing information.