You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Jason Phillips, I want to cancel my ticket as my plan is to meet my grand father is postponed. Can you help me with that?

ASSISTANT: Sure, please wait a moment I will check the reservation status and revert you.

USER: Sure.

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

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us.