You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Ok, please can you help me by providing the name on which the reservation is done as I need to check?

USER: Thank you for taking my request into consideration, I have reserved it on the name of Carolyn Hernandez.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Sorry to inform as per the reservation records there is no reservation been found on your name to cancel it.

USER: Oh! I think my reservation has not done properly while I am booking. Anyway, thank you for checking.

ASSISTANT: Maybe, please check your mails to know more. Thank you for choosing our agency.