Hello. I am Angela Wilson.
user
Hello, How can I serve you?
assistant
I want to visit Washington Cathedral Church on the occasion of my birthday. Can you book a ticket to DC-IAD?
user
Sure, May I know the source code?
assistant
I will depart from NY-EWR.
user
Please help me with your travel dates.
assistant
 My travel dates are 10/11 and 10/13.
user
Sorry, No flights found with your chosen dates.
assistant
Ok, thank you for your response.
user
Thank you for availing us.
assistant