You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Andrew Young this side. Is this flight booking agency?

ASSISTANT: Andrew, how can I assist you today? Yes, it is a flight booking agency.

USER: I need a reservation from Seattle to Washington for attending a conference on child labour. Can you help me?

ASSISTANT: That's fine, I will help you with that. May I know the preferable dates of your journey?

USER: My journey dates will be from 07/05 to 07/07.

ASSISTANT: Ok, can you please mention the take off and landing airport codes?

USER: My trip starts from SEA and I will be returning from DCA.

ASSISTANT: Thank you for your information, please wait for a moment.

USER: The budget for my trip will be only 200, please check with it.

ASSISTANT: Sure, it perfectly matching with your price 200 in Delta airline.Shall I proceed with this booking?

USER: Ok, proceed with booking this flight for me.

ASSISTANT: Your ticket has been booked with the flight 1002, have a safe journey.

USER: Thank you for your assistance, and your service.

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