Hi.
user
Hello.
assistant
I am Donald Davis.
user
How can I help you today?
assistant
 I have to book a flight ticket  that I am unable to do, could you please help me in booking flight ticket on dates 06/04 and 06/06?
user
Sure, could you please share your source and destination airport codes?
assistant
Sure, my airport codes are HOU and SEA.
user
May I know if you prefer to have any other comforts in your journey?
assistant
I need a connecting flight.
user
Thank you for providing your details, please wait for a while.
assistant
Ok.
user
Delta airlines is providing a service for you with single connection and price 100. Shall I book an economy class ticket?
assistant
Yes, please.
user
your seat has been reserved with the flight number-1025.
assistant
Thank you.
user
It's pleasure to serve you.
assistant