Hello, I am Ronald Brown.
user
Hello, how can I help you?
assistant
I want to attend my sister's marriage, Can you please book a ticket for me?
user
Sure, provide me your travelling details?
assistant
My journey is from 04/02 to 04/04. With price 200.
user
OK, may I have your source and destination?
assistant
Airport codes are from IAD to ATL.
user
Please wait a minute, I  will check and revert you.
assistant
Ok.
user
Thanks for waiting. Sorry to inform you that there are no flight found with your details.
assistant
Thank you.
user
Thank you, for reaching us.
assistant