You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: Can you please assist me to cancel my recent ticket with is booked last week?

ASSISTANT: Sure, may I know your name?

USER: I am Margaret Williams.

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

USER: It's ok, thank you for searching for my ticket status.

ASSISTANT: Thank you for reaching us.

USER: Welcome.