Hello.
user
Hello. How may I help you out?
assistant
 I am Karen Carter want to travel to NC-CLT to PA-PHL . Can you book a ticket?
user
Sure. Please notify your specifications.
assistant
I need a connecting flight within 200.
user
Help me by sending your travelling dates.
assistant
 My travel dates are 04/18 and 04/20.
user
Ok. Southwest airlines matches your request to travel. Shall I book with 1011?
assistant
Ok, you can proceed.
user
Your ticket is done.
assistant
Thank you.
user
Thank you for choosing us.
assistant