You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Margaret Campbell.

ASSISTANT: Nice to meet you Campbell.

USER: Can you help me with cancelling my ticket?

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

USER: It's ok, thanks for checking my status.

ASSISTANT: It's my pleasure, have a great day.