You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Myself Emily Nelson.

ASSISTANT: Welcome to flight booking agency Nelson.

USER: I have to go Washington for attending a business meeting there, can you please book a flight ticket from Detroit?

ASSISTANT: Sure, I will help you.

USER: Thanks.

ASSISTANT: Can you please provide your preferable dates of travelling?

USER: My departure date is 12/05 and please book my return ticket also on 12/07.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: I want to fly from DTW airport and destination airport is DCA.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 100. Is it ok for you?

USER: Please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been ticket with flight number 1006.

USER: Thank you for your help.

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