Hi.
user
Hello.
assistant
I am Mary Adams here. I want to reserve my ticket from DEN to LGA, can you please help me out?
user
Sure, I will help you. May I know your journey dates?
assistant
Sure, my preferable dates of journey are from 02/02 to 02/04.
user
 Please provide me your depart time and arrival time.
assistant
No, I am flexible with any timing.
user
In which class do you want to travel?
assistant
I want to travel in a economy class.
user
Thanks for your details, there are no flights found on your data.
assistant
Ok, not an issue. Anyways, thank you for your service.
user
Thank you.
assistant