You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Actually my trip got cancelled, so that I am planning to cancel my ticket . Can you help me?

ASSISTANT: Sure, I am her to help you , please wait for a minute.

USER: Thank you.

ASSISTANT: May I know your name to proceed further?

USER: Yes, I am Sarah Rodriguez.

ASSISTANT: Sorry, I could not find any reservation with your name in our database.

USER: Ok, no problem. Anyway's thank you for your information.

ASSISTANT: My pleasure.