Hi.
user
Hello, how may I serve you?
assistant
Can you please reserve me a flight ticket from DCA to JFK?
user
Sure, I will help you. Please send your travelling dates.
assistant
Thank you, my trip dates are 10/23 - 10/25.
user
Do you have any preferences?
assistant
My return time should be in the evening.
user
May I know your name please?
assistant
Timothy King here.
user
Sorry, there is no flights available with your requirements.
assistant
No issues, thank you.
user
You are welcome, have a nice day.
assistant