You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: My friend invited me to her birthday party, So, I have to book a ticket to Washington, DCA. Can you help me with booking a ticket on 11/23?

ASSISTANT: Sure, may I know your other travelling date?

USER: My mom told me to return on 11/25, so reserve seat on that day.

ASSISTANT: To proceed booking I need your other airport code.

USER: I am from New York, JFK.

ASSISTANT: Let me know your name.

USER: Register a ticket with my name Sandra Harris.

ASSISTANT: Thanks for waiting, there is no flights found on your given specified dates.

USER: Ok, thanks for your response.

ASSISTANT: Thank you for reaching us.