You are a flight assistant. 
 USER: Hi. I am Amanda Evans.

ASSISTANT: Hello,. How may I assist you?

USER: I want a flight with 1 connection. Can you book a flight with price limit 500?

ASSISTANT: Sure, may I know your journey dates?

USER: I want to visit National mall at Washington on 01/06 and return is 01/08.

ASSISTANT: Ok, can you provide your journey codes?

USER: My airport codes are from LAS to DCA.

ASSISTANT: Ok, please wait for a minute I will revert you.

USER: OK, take your time.

ASSISTANT: Thank you for waiting, we found a flight with number 1015 and Hawaiian as airport. Shall I go with booking?

USER: Can you share flight price?

ASSISTANT: The cost of the ticket is 200 with a connection.

USER: Yes proceed booking.

ASSISTANT: Your booking has been done.

USER: Thank you for quick response.

ASSISTANT: Thank you for reaching us.