You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Melissa Wilson here. I would like to book a flight ticket from SEA to IAD. Can you please help me with booking the flight ticket?

ASSISTANT: Sure. Please could you let me know your travelling dates.

USER: Sure, my travelling dates are from 11/08 to 11/10.

ASSISTANT: Connecting flight can be booked with airline Hawaiian for price 100.

USER: I want a direct flight in my journey, please recheck with that.

ASSISTANT: Ok. Ticket found with airline AA for price 400. Shall I book a ticket?

USER: Ok, you can proceed with that ticket booking.

ASSISTANT: Your ticket is booked having flight number 1010.

USER: Thank you for booking my ticket for the flight 1010.

ASSISTANT: Thanks.

USER: Most welcome.