You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you?

USER: I want to reserve my ticket from ATL to PHX, can you please help me in booking?

ASSISTANT: Sure, please provide you itinerary dates.

USER: Sure, my planned dates of journey are from Nov, 23 to Nov, 25.

ASSISTANT: May I know your name?

USER: Sure, my name is Alexander Smith.

ASSISTANT: Which class do you prefer?

USER: Yes, I want to return at morning time with the business class.

ASSISTANT: Please hold on for a while.

USER: Sure, but I want to fly in a connecting flight.

ASSISTANT: Sorry Alexander Smith, no flights are available on your route.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for reaching us.