Hello. I am Barbara Wright.
user
Hello, How can I assist you?
assistant
 As I am a scientist, I would like to visit the ancient 1940 air terminal museum, located at Houston. Can you please help me in booking?
user
Sure, May I know the journey codes?
assistant
My airport codes are from TX-HOU to TX-IAH.
user
Please help me with your journey dates.
assistant
My journey starts on 03/19. I need to return on 03/21.
user
Sorry, No flights found with your chosen dates. Thank you for opting us.
assistant
Ok, thank you for the information.
user