You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: I want to cancel my recent reservation due to sudden postpone of my exam dates. Can you help me with that?

ASSISTANT: Sure, will you please let me know your name to check the status and revert you?

USER: I am Jason Nelson.

ASSISTANT: Ok please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found under your name in our data base.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for approaching us.