You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Thomas Miller.

ASSISTANT: How can I assist you today?

USER: I need to cancel my reservation, can you help me out please?

ASSISTANT: Sure, I will help you out.

USER: Take your own time.

ASSISTANT: Wait for a while. I have found reservation and I have cancelled it.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.