You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: Jeffrey Collins this side, due to high alert is going on the city which I have planned to visit, can you help to cancel my ticket?

ASSISTANT: Sure Collins. Please hold on for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry Jeffrey, there is no reservation found by your name in our database.

USER: Ok, no issues, I will check with my bank again regarding refund issue.

ASSISTANT: Thank you for approaching us, have a great day.

USER: Thank you for helping me.

ASSISTANT: You are welcome.