Hello.
user
Hello, how can I serve you at this moment?
assistant
I need to book a ticket from DCA to IAH. Could you book a ticket?
user
Sure, please provide me your planned travel dates.
assistant
Departure is Apr, 2 and return date is Apr, 4.
user
Do you prefer either economy or business class?
assistant
I prefer to travel in economy class.
user
Please let me know if you have any specific depart and return time preference.
assistant
I would like to return in the evening time.
user
Do you have any other preference?
assistant
I prefer connecting flight.
user
May I know your name to proceed further with the booking.
assistant
My name is Amy Taylor.
user
Sorry to inform you that we don't have any flight available for your journey.
assistant
Thank you.
user
Thank you for checking it with us.
assistant