Hello.
user
Hello. How may I assist you?
assistant
 I would like to attend my mother's birthday celebration at Washington, can you please help me to reserve flight ticket from ORD to IAD?
user
Sure, I am here to help you out. May I know your travelling dates please?
assistant
Sure, my planned travelling dates are Jul, 07 and 09 respectively.
user
Can you please share your connection limit?
assistant
I would comfortable with single stop over.
user
Is there any class preference?
assistant
Yes, I prefer to travel in economy class.
user
May I know your name please?
assistant
Kimberly Nelson here.
user
Wait a moment please.
assistant
Sure, I will wait.
user
Kimberly Nelson, there are no flights available in your route.
assistant
That's ok, thank you for your information.
user
Thank you for choosing us.
assistant