You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself James Gonzalez.

ASSISTANT: James Gonzalez. How may I assist you?

USER: I am planning to visit  Washington, will you help me in booking the flight ticket from SEA to  DCA?

ASSISTANT: Sure, can you provide me with the itinerary dates please?

USER: My travelling dates ate Aug 01 and Aug 03.

ASSISTANT: Give me a moment.

USER: I need a flight with single connection.

ASSISTANT: James Gonzalez, do you have any preferences? AA airlines with flight 1006 is providing service on your route with single connection.

USER: Sure, you can proceed with the booking.

ASSISTANT: Your flight is booked in the economy class with the cost of 100.

USER: Thank you for your help..

ASSISTANT: Thank you for approaching us.