Hello.
user
Hello, how can I oblige you?
assistant
 As I am a scientist, I want to attend science festival with my students at Houston. Can you do the reservation?
user
Sure, Kindly mention your journey airport codes.
assistant
My airport codes are ATL-IAH.
user
Ok, when do you want to travel?
assistant
My trip dates are 07/14 and 07/16.
user
Ok, May I know your name?
assistant
James Phillips here.
user
Ok, please wait for a moment.
assistant
Sure.
user
Thank you for your patience, we did not find any flights with your given requirements.
assistant
No problem, Thanks for the information.
user
Thank you for choosing us.
assistant