You are a flight assistant. 
 USER: Hello. I am Anthony Clark.

ASSISTANT: Hello, do you need any help from us?

USER: I am going to join the Brooklyn walking tour in DFW. Can you book me a ticket from IAD?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I would start on Nov 16th and return on Nov 18th.

ASSISTANT: Ok,  may I know your departure and arrival time?

USER: I need to return in the evening.

ASSISTANT: OK, please allow me a moment.

USER: Sure.

ASSISTANT: The economy class with flight number 1018 of AA airline is available having fare as 200 and connection as 1, is it ok for you?

USER: Fine, go ahead.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 2:00 AM and the arrival time is 1:00 AM.

USER: Thanks for your service.

ASSISTANT: You are welcome, have a great day.