You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Dennis Jackson. Can you cancel my flight ticket reservation? As my cricket match is been postponed due to bad weather?

ASSISTANT: Sure, please wait for a moment to check your details.

USER: Ok.

ASSISTANT: I have successfully cancelled your reservation.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us, have a nice day.