You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to meet my sister at SEA, can you help me with booking?

ASSISTANT: Sure, may I know your boarding point?

USER: My boarding point is IAD.

ASSISTANT: Let me know your travelling dates.

USER: My travelling dates are July 12 and July 14.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a lay by in between my journey.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Elizabeth Scott.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.