Hello.
user
Hello. How can I help you?
assistant
As I am a scientist, I want to attend science festival with my students at Washington. Can you help me?
user
 Sure, may I know your travel dates?
assistant
Dates are 07/18 and 07/20.
user
 Help me with your travel points?
assistant
My airport codes are IAH-DCA.
user
May I know your name?
assistant
James Garcia here.
user
 We  found a UA airline with a connection in journey with fare 100. Shall I proceed?
assistant
Go ahead.
user
 Your booking is confirmed with flight number 1016. Thank you for opting us.
assistant