You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I render you?

USER: I would like to cancel my recent reservation due to my plan to meet my grand mother has been cancelled due to bad weather conditions.

ASSISTANT: Sure, let me know your good name to proceed further.

USER: I am Jack Gonzalez.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting. Unfortunately, there is no reservation found matching with your name.

USER: Ok, no worries. Thanks for your help.

ASSISTANT: Thank you for consulting us.