Hello.
user
Hello, How can I best serve you today?
assistant
Can you please help me to book a flight from PHL to IAH?
user
Sure, can you please mention your depart and arrival dates of your journey?
assistant
I want to depart on Apr 26 and need to return on Apr 28.
user
Do you like to go with a connecting or direct flight?
assistant
I need a direct flight.
user
May I know if you prefer to have any other comforts in your journey?
assistant
I do not have any other specifications.
user
Can I know your good name to proceed further?
assistant
I am Brian Turner.
user
Sorry, no flights are available in this route as per your requested dates.
assistant
Ok, no problem. Thank you for checking.
user
Thank you for choosing us.
assistant