You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Would you please help me in booking a ticket from LAS to PHL.

ASSISTANT: Sure, May I know the travelling dates?

USER: My itinerary travel dates are as follows June 20 and June 22.

ASSISTANT: Do you have any connection limit?

USER: I would like to board a single connecting flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Amanda Wilson.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: No issue, thank you for the information.

ASSISTANT: Thank you for availing us.