Hello.
user
Hello, how can I aid you for today?
assistant
Can you please book a flight ticket from DCA to SEA?
user
I am happy to help you about your flight ticket booking. Can you please let me know your planned dates of journey?
assistant
Thank you. I have planned my travel dates as July 29 and July 31.
user
Would you like to have a connecting flight for your journey?
assistant
I am looking for single connecting flight so please check with that.
user
Is there any other requirement for your journey?
assistant
No, I do not  have any more specifications.
user
Can you please let me know your name for booking purpose?
assistant
Sure, myself Matthew Hall.
user
I regret to say this Matthew Hall, there are no flights which travels to your region on your planned dates of journey.
assistant
Oh! It is sad to hear. Anyway, thank you for your time.
user
You are welcome, thank you for reaching us. Hope you have a nice day ahead.
assistant
Most welcome.
user