You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please book a ticket from LAS to DCA? As I need to attend a wedding.

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Sure, my planned departure and return travel dates are 25th and 27th of August.

ASSISTANT: May I know your name to proceed further?

USER: Yes, my name is Rebecca King.

ASSISTANT: Do you have any connection limit?

USER: I prefer single connected flight.

ASSISTANT: As this is closing time for this agency, please kindly support us by responding fast.

USER: Sure.

ASSISTANT: Rebecca King, here is a connecting flight in economy class with JetBlue airlines.  Can I proceed with it?

USER: I want to depart in the morning time, search according to that.

ASSISTANT: Ok Rebecca King, please allow me a moment.

USER: Sure.

ASSISTANT: I regret to inform you that there is no flight available as per you travel dates due to inflation in flight ticket bookings on your preferable dates.

USER: That's fine, thank you for giving the information anyways.

ASSISTANT: Thank you for reaching us.