You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Brenda Williams. I want to cancel my recent reservation, because I want to travel  with my friends by road.

ASSISTANT: Sure, Brenda. Could you please hold on for a moment to check for the reservation details in our portal?

USER: Sure.

ASSISTANT: Sorry, I did not find the reservation for the given name.

USER: That's ok. Thank you for your help.

ASSISTANT: Thank you for reaching us.