You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Michael Adams, can you help me booking flight on 03/21?

ASSISTANT: Ok, may I know your journey codes to book?

USER: My travelling airport codes are SEA to IAD.

ASSISTANT: May I know your return date if you planned?

USER: I am going to return on 03/23.

ASSISTANT: Ok, thank you for the information provided. There is a flight available with 1 connection limit and airfare is 100. Can I book it?

USER: Ok, proceed to booking that flight.

ASSISTANT: Ok, the flight is booked and the flight number is 1004.

USER: Thank you for confirming my flight ticket.

ASSISTANT: Thank you for choosing our agency.