You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am planning to attend music concert at LAS, can you please help me with booking a flight ticket from ATL?

ASSISTANT: May I know your travelling dates, please?

USER: I would like to depart on Apr 16 and return on Apr 18.

ASSISTANT: Please provide me your name.

USER: My name is Raymond Johnson.

ASSISTANT: Do you need any specifications?

USER: I would like to return during morning time.

ASSISTANT: May I know your connection limit?

USER: I need a flight with 1 connection.

ASSISTANT: Sorry, there are no flight tickets available on your journey dates.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching our service.

USER: You are welcome.