You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Jason Collins. Can you help me to cancel my reservation? Because my exam is cancelled.

ASSISTANT: I am here to help you, please be on hold for some time.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, there is no active reservation found in our database.

USER: No issues, thank you for your time.

ASSISTANT: Thanks for choosing us, have a good day.