You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I would like to enjoy this weekend at Korean war veterans memorial which is at Washington DC-IAD, can you help me with booking a flight ticket?

ASSISTANT: Sure, we are kindly help you.

USER: Thank you.

ASSISTANT: Can I have your journey dates please?

USER: Sure, I will depart on 11/29 and return back on 12/01.

ASSISTANT: Do you want a stopover in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Can you please help me with your origin point?

USER: Sure, I will start from New York, NY-JFK.

ASSISTANT: Please wait, I will check and get back to you.

USER: Sure, take your time.

ASSISTANT: Thank you for being patient, sorry to say that there is no flights available from your source.

USER: Ok, I will find another way to reach.

ASSISTANT: Ok, Can I have your name please?

USER: Sure, my name is Ashley Lewis.

ASSISTANT: Thank you for connecting us.

USER: Thank you for your time.