Hi.
user
Hello.
assistant
Dorothy Adams here.
user
How may I help you today?
assistant
I would like to prefer a flight with lay-by option for my business trip to Denver. Can you book the flight ticket?
user
Sure, I am here to help you with that. Can I know your planned trip dates?
assistant
The travel dates are from May 25 to May 27.
user
Can I know your good name?
assistant
I am Dorothy Adams.
user
May I know your airport codes?
assistant
The airport codes are from IAD to DEN.
user
Is there any other requirements?
assistant
No.
user
Please wait for a minute.
assistant
Sure.
user
There is a flight ticket which is a economy class in the Southwest  Airlines, the ticket cost is 100 and the connection limit is one. Shall I reserve the ticket?
assistant
I am fine with the airlines. You can book it.
user
Your ticket is confirmed in an economy class and the flight number 1021.
assistant
Thank you.
user
Thank you for approaching us. Have a safe journey.
assistant