You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to flight booking agency.

USER: I'm Catherine Davis.

ASSISTANT: What can I do for you?

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

ASSISTANT: Catherine Davis, may I know your planned dates for this journey?

USER: Sure, I would like to take off on 02/22 and return back on 02/24.

ASSISTANT: Ok, please wait for a moment till I check with availability.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: There is a flight available for you with 1 connection at the price of 100, can I proceed with booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Your booking is done with flight-1004.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for reaching our services.

USER: You are welcome.