You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please check my previous ticket status? I need to cancel the ticket because I am unable to travel on the dates when I have reserved the ticket due to some important work.

ASSISTANT: Sure, may I know your name to check for the previous reservation?

USER: Thank you for considering my request. My name is Barbara Moore.

ASSISTANT: Please allow me a moment.

USER: Ok, I can wait for your response.

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

USER: Oh! It is sad to hear from your end. Anyways thank you for checking my ticket status.

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

USER: You are most welcome.