You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to go for a heritage tour in DCA. Can you book me a ticket from SEA?

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

USER: I will start on Feb 26 and return on Feb 28.

ASSISTANT: May I know your connection limit?

USER: I need 1 lay over within my route.

ASSISTANT: Do you have any other requirement that you are looking for?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: I am Richard Hall.

ASSISTANT: There is a flight available with price 100 and the connection is 1 with AA airline. Would you like me to proceed with the booking?

USER: Fine, please proceed.

ASSISTANT: Your booking is confirmed with 1024 flight number and the departure time is 0:00 AM, return time is 4:00 AM.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us.