Hi.
Hello. How may I assist you today?
I am John Anderson here, I want to reserve my ticket from IAD to LAX, can you please help me?
Sure, I will help you. Please help me with your name.
Thank you.
I am sorry. Please let me know with your planned travelling dates.
Sure, my planned dates of journey are from May, 17 to May, 19.
 Do you need a direct or connecting flight?
Yes, I need a direct flight.
Please help me with your preferred class to fly.
I am ok with any class preference.
Do you have any other preferences in your journey?
No.
John Anderson, I am really sorry to say that there are no flights available for your journey.
Ok, no problem.
Thank you for understanding.
Anyways, thank you for your service.
Thank you for reaching us. Have a great time.