Hello.
user
Hello, How can I serve you?
assistant
I am Melisa Carter. I want to attend a party at New York, EWR. Can you please book a ticket on 09/15?
user
Sure, May I know the source code?
assistant
Source code is Washington, IAD.
user
Please help me with your return date.
assistant
Return is on 09/17.
user
Sorry, No flights found with your preferable dates.
assistant
No problem. Thank you.
user
Thank you for opting us.
assistant