You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Scott Walker.

ASSISTANT: How can I aid you?

USER: Owing to emergency, I need to cancel my recent reservation. Please help me with that.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, We found a reservation on your name. Shall I proceed to cancel?

USER: Please cancel it.

ASSISTANT: Your ticket has been cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you.