You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Dorothy Lewis, want to cancel my recent reservation due to some emergency. Please help me out with that.

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: We have found your reservation and we had cancelled your reservation successfully.

USER: Ok, thank you so much for your help.

ASSISTANT: Most welcome.