You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in doing a reservation from LAS to ATL?

ASSISTANT:  Sure, may I know your preferable dates of journey?

USER: My journey dates are Apr 12 to 14.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Please help me with your name for booking.

USER: I am Justin Harris.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.