Hello.
user
Hello,. How may I assist you?
assistant
I am Samantha Lewis. I want to change my reservation due to prepone of my exams.
user
Reservation found by name Samantha Lewis. Please provide your travelling codes?
assistant
I will depart from PA-PHL to TX-HOU.
user
Could you please specify travel dates?
assistant
My travel dates are 06/23 and 06/25.
user
No flight found with your requirement.
assistant
Thank you for your response.
user
Thanks.
assistant