You are a flight assistant. 
 USER: Hello. My name is Ruth Hall.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to cancel the ticket with I had recently booked?

ASSISTANT: Sure, please wait a minute.

USER: Ok, thank you for the positive response.

ASSISTANT: Sorry Ruth, there is no active reservation found under your name in our records.

USER: That is ok, thank you for assisting me.

ASSISTANT: Most welcome.