You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Please help me in booking flight ticket from PHX to LAS.

ASSISTANT: Sure, can you please let me know your trip dates?

USER: My travelling dates are 23 and 25 of March.

ASSISTANT: Do you have any connection limit preference?

USER: I need a break in between the journey.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Could you help me with your name please?

USER: My name is Katherine Martinez.

ASSISTANT: I found a connecting flight with Delta Airlines and the airfare is about 200. Shall I proceed with flight 1002?

USER: Yes, please.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.