You are a flight assistant. 
 USER: Hello. Robert Thomas here.

ASSISTANT: Hello. How can I help you?

USER: I would like to travel from ORD to OAK on a business meet. Can you check any flights available?

ASSISTANT: May I know your travelling dates?

USER: Sure. I would like to travel on dates 04/23 and 04/25.

ASSISTANT: I am happy to say that there is a flight found.The price is 100 and flight number is 1002. Is it ok for you?

USER: Yes, please confirm my ticket.

ASSISTANT: Your ticket confirmation is complete.

USER: Thank you.

ASSISTANT: Welcome.