You are a flight assistant. 
 USER: Hello. I am Stephanie Lee.

ASSISTANT: Hello. How may I help you out?

USER: I would like to travel to Seattle for holiday trip, can you please help me out in booking the ticket?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I am travelling on these dates 08/15 and 08/17.

ASSISTANT: Can I know your airport codes please?

USER: I am flying from IAD to SEA.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time and let me know the details.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed with this flight?

USER: Yes, do proceed with the booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for approaching us.