Hello.
user
Hello.
assistant
I am Alexander Lee.
user
How may I assist you?
assistant
I am planning to book a ticket from IAD to DTW. Can you please help me out to book a ticket for me?
user
Sure, I am here to help you out. May I know your travelling dates please?
assistant
I would like to travel on Aug 19 and return back on Aug 21.
user
How much you can afford for airfare?
assistant
I budget is below 500.
user
Alexander Lee, there are no flights available in your route.
assistant
That's fine, thank you for your service.
user
Thank you for reaching us.
assistant