You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you guide in booking my flight ticket from LAS to EWR?

ASSISTANT: Sure, Can you share your trip dates?

USER: My trip dates will be Apr 24th to Apr 26th.

ASSISTANT: Do you prefer either connecting or direct flight?

USER: I prefer a connecting flight.

ASSISTANT: Is there any time concern?

USER: No.

ASSISTANT: Are there any other specifications?

USER: No, thank you for asking.

ASSISTANT: Please forward your name to proceed further.

USER: I am Ryan Lewis.

ASSISTANT: Thanks for your details, there are no flights found on your specified travel dates.

USER: Its ok, I will find out other alternative. Thank you for your assistance.

ASSISTANT: Thank you for choosing us.