You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Suddenly, my planned trip got cancelled due to some problems in the family, can you please help me to cancel my previous ticket?

ASSISTANT: Sure, I am here to help you out.

USER: Thank you for considering my request.

ASSISTANT: May I know your name please?

USER: My name is Steven Martinez.

ASSISTANT: Please give me a moment to check your reservation status.

USER: Ok, take your time.

ASSISTANT: Sorry, there is no reservation found on your name in our records.

USER: It's ok, not a problem with that. Anyways thank you for checking my ticket status.

ASSISTANT: Thank you for reaching us.

USER: Welcome.