Hello.
user
Hello. How can I help you?
assistant
Can you help me to book a economy class flight ticket?
user
Let me know your travelling dates.
assistant
My preferable journey dates are Dec 22 and Dec 24.
user
Can I know your airport codes?
assistant
My airport codes are IAD and LAS.
user
Do you have any preference?
assistant
I would like to depart in the morning time.
user
Let me know your name.
assistant
My name is Scott Collins.
user
Sorry, no flights found for your travelling dates.
assistant
No problem, thank you for the information.
user
Thank you.
assistant