HI.
Hello.
I am Mark Garcia.
How may I help you?
I am looking for a flight from SEA to IAD, can you help me out?
Sure, let me know your travel dates please?
My trip dates are from June 16th till  June 18th.
Do you have any specific arrival and depart timings?
I need to my depart my flight in afternoon and return flight in evening.
Ok, is there any class preference?
I am ok with any class.
May I know your connection limit?
I want connecting flight.
Do you have any airline preference?
No, I don't have any specifications.
Sorry to inform you that there are no flight services available on your given details.
That's ok, not an issue. Thank you for your help.
Thanks for reaching us, have a nice day.