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