Hello.
user
Hello, how can I help you?
assistant
I want to travel from IAH to PHL. Can you please help me with the booking?
user
 May I know your travelling dates?
assistant
I want to travel on Apr 7 and need to return on Apr 9.
user
Do you prefer connecting flight?
assistant
I need a flight with single connection.
user
Do you have any other specifications?
assistant
I prefer an economy class to travel.
user
May I know your good name?
assistant
Linda Lee here.
user
Please wait for a moment.
assistant
Sure.
user
Sorry, we found no flights on your travel dates.
assistant
Ok, no problem. Thank you for the information.
user
Thank you for choosing us.
assistant