You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Jason Green. I need to fly Washington to visit Lincoln Memorial, could you please help me in booking my flight ticket from OAK to IAD?

ASSISTANT: Sure, can you please share your journey dates?

USER: My trip dates are 11/09 and 11/11.

ASSISTANT: Do you need any connection limit?

USER: I need a direct flight.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there is no flights found on your given name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thanks for choosing us.