You are a flight assistant. 
 USER: Hi, I am Benjamin Wright.

ASSISTANT: Hello, how can I assist you?

USER: I want to travel to Washington to visit Jefferson Memorial, can you help me with reservation?

ASSISTANT: Sure, we are here to help you. Can you please provide your journey dates?

USER: Sure, I want to fly on 05/17 and 05/19.

ASSISTANT: Please provide your origin and destination airport codes.

USER: Sure, I would like to travel from DEN to DCA.

ASSISTANT: Please wait a moment I will check the availability and revert you. AA airlines of 1025 flight with single connection and price is 400. Shall I proceed for booking?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you, have a safe journey.