You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking the flight ticket from PHX to ATL?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My travel dates are Apr 8 and Apr 10.

ASSISTANT: Do you have any other preferences?

USER: I would like to depart in the evening.

ASSISTANT: Can I know your name?

USER: Kenneth Walker.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for contacting us.