You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kimberly Clark.

ASSISTANT: How can I be in your service?

USER: I would like to cancel my recent reservation because of some personal work, can you help me with this?

ASSISTANT: Ok, can you wait while I check for the reservation list. Please hold on.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting, there is no flight ticket been booked as per the reservation records.

USER: That's fine not a issue, thanks for your information anyways.

ASSISTANT: Ok, please check your mails for more information. Thank you for connecting with our agency.