You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you now?

USER: Can you please assist me in reserving a flight ticket to Washington, DCA?

ASSISTANT: Sure, I am glad to help you. Do you have any connection limit?

USER: I need a stopover in between my journey.

ASSISTANT: When are you planning to make your journey?

USER: Journey dates are May 05 to May 07.

ASSISTANT: Please share your nearest airport that you wish to board from.

USER: Source code is Seattle, SEA.

ASSISTANT: To move further in booking, can I have your name please?

USER: I am Sandra Allen.

ASSISTANT: Ok, please hold on.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights are available in your route.

USER: No problem. Thank you.

ASSISTANT: Thank you for making us to serve you today.