You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jessica Turner.

ASSISTANT: How can I assist you Jessica?

USER: Can you help me in cancelling my recent reservation, as my exam is postponed?

ASSISTANT: Sure, I'm glad to help you in that. Please wait for a minute while I'll check your reservation status.

USER: Ok, I will be waiting.

ASSISTANT: Jessica, there is no reservation found under your name in our records to do cancellation.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us, have a great day.