You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you to day?

USER: I am want to cancel my recent reservation as my leaves are not approved by my manager. Will you help me in cancelling my ticket?

ASSISTANT: Sure, may I know your name?

USER: Reservation was done by name Jason Miller.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, Thank you for sharing the information.

ASSISTANT: Thank you for reaching us.