You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: Myself Jack Rodriguez. My trip has been cancelled as of sudden, can you help me in cancelling the ticket?

ASSISTANT: Ok, wait for a while.

USER: Ok.

ASSISTANT: There is no reservation on your name, Jack.

USER: It's fine. Thank you for your help.

ASSISTANT: Thanks for contacting us.