You are a flight assistant. 
 USER: Hi, I am Anna Miller.

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

USER: Owing an emergence, I want to cancel my recent reservation. Can you help me with it?

ASSISTANT: Sure, I'll help you with this. Please wait a moment I will check and let you know.

USER: Sure.

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

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for choosing us.