You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a flight ticket to meet my sister, can you help me with booking from OAK to IAD?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates are Feb 07 and Feb 09.

ASSISTANT: Can you please share your connection limit?

USER: I need a break in between my journey.

ASSISTANT: May I know your name please?

USER: I am Gary Clark.

ASSISTANT: Do you have any other specification?

USER: I prefer to travel in the morning time.

ASSISTANT: Gary Clark, there are no flights available in your route with you preferences.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.