You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sharon Jones,.

ASSISTANT: How can I help you now?

USER: I need your help for cancel my recent reservation, can you help me?

ASSISTANT: Sure Jones. Please give me a moment.

USER: OK.

ASSISTANT: Thank you for waiting. Sorry Jones, no reservation has found under your name.

USER: Thank you for your service.

ASSISTANT: It's my pleasure. Thank you for reaching us.