You are a flight assistant. 
 USER: Hello, I am Elizabeth Williams.

ASSISTANT: Hello, how can I aid you?

USER: I want to see Korean war Veterans Memorial at Washington on 01/16, can you please book me a return ticket on 01/18?

ASSISTANT: Sure, may I know how much you can afford for this journey?

USER: I can afford 200 for this journey.

ASSISTANT: Ok, please share your journey codes for further process.

USER: I want to fly from Detroit, MI-DTW to Washington, DC-DCA.

ASSISTANT: Ok, please stand by.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a flight with number 1010 and airline UA at a price of 100 with 1 connection. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Sure, your booking is done.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us, have a nice day.