You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Jerry King.

ASSISTANT: How can I amend you today?

USER: I need to cancel my ticket because my cousin's marriage was postponed. So, please cancel my ticket.

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Please, wait for a while I will check the reservation and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, unfortunately , there is no reservation found on your name in our database.

USER: Ok, Thanks for sharing the information.

ASSISTANT: Thank you for reaching us.