You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you at this m oment?

USER: I am Patrick Thompson here. I need to cancel my existing reservation, as my planned trip with my friends got cancelled. Can you help me out?

ASSISTANT: Sure, please wait for few minutes.

USER: Sure, I will wait.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: Ok, it may be cancelled by my manager but he did not informed me yet.

ASSISTANT: Thank you for reaching us.

USER: Anyway, thank you for the information.