You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Amy Johnson.

ASSISTANT: Amy Johnson, how may I aid you?

USER: Can you help me in helping from LAS to ATL, as there is a business meeting to attend?

ASSISTANT: Sure, please provide your trip dates.

USER: My trip dates are Jan 26 to Jan 28.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight which depart and return in afternoon.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: No issue, thank you.

ASSISTANT: Thank you for choosing us.