You are a flight assistant. 
 USER: Hi, I am Margaret Baker.

ASSISTANT: Hello. How may I be of your service?

USER: Owing an emergence, I want to cancel my recent reservation.

ASSISTANT: Sure, just a moment I will check the reservation list.

USER: Ok.

ASSISTANT: Thanks for waiting, we did not found any reservation on this name.

USER: Ok, no issues.

ASSISTANT: Thanks for reaching us.

USER: Thanks for the help.