You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can i help you today?

USER: Please assist me in booking a flight ticket from ORD to OAK.

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: My travelling dates are from Nov 18th to Nov 20th.

ASSISTANT: May I know your name?

USER: I am Brian Lewis.

ASSISTANT: Do you have any other specifications?

USER: I want a break in between my journey.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thanks for approaching us.