You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you.

USER: I am Alexander Nelson.

ASSISTANT: Yes Nelson, what can I do for you?

USER: Please cancel my recent reservation, as my friends cancelled our trip.

ASSISTANT: Sorry Nelson, there is no reservation found with your name.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.