Hi.
user
Hello, do you need any help from us?
assistant
Nicholas Martinez here. Can you book a flight ticket for my airport codes that is from IAD to SEA?
user
Sure, could you please share your departure and arrival day?
assistant
The travel dates are from 15 Dec to 17 Dec.
user
Sorry, there is no flight on your requested travelling dates.
assistant
Ok, that is not a problem. Thank you.
user
You are welcome, have a great day.
assistant