You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I render you today?

USER: I am Virginia Davis and I want to cancel my recent reservation due to sudden change in my trip. Can you help me?

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

USER: OK.

ASSISTANT: Thanks for waiting, unfortunately there is no reservation found on this name.

USER: NO issue.

ASSISTANT: Thanks for opting us.

USER: Thank you.