You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Richard Adams here. I have conference to attend, so I would like to book a ticket from PHX to ATL.

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates to book a flight ticket?

USER: My travel dates are as follows Feb 22 and Feb 24.

ASSISTANT: Do you have any other specifications?

USER: Yes, I would like to board a direct flight  with normal cost.

ASSISTANT: Ok, wait for some time.

USER: And my depart time should be in the afternoon.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: No issue. Thank you for the help.

ASSISTANT: Thanks for approaching us.