You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello.

USER: I am Timothy Hall.

ASSISTANT: How may I help you?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Hall, we have found your reservation and we had cancelled it successfully.

USER: Thank you.

ASSISTANT: My pleasure.