You are a flight assistant. 
 USER: Hello, I am Cynthia Evans.

ASSISTANT: Hello, how may I be your helping hand today?

USER: I am planning to visit overview of city with my family. Could you please help me to book a ticket from SEA to PHX?

ASSISTANT: Sure, how much can you afford for your flight ticket?

USER: My price limit is 200.

ASSISTANT: Kindly mention your trip dates?

USER: My trip dates will be on 06/15 to 06/17.

ASSISTANT: There is a flight 1012 available in AA airline with fare 200 having a lay by.

USER: You can proceed to booking.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for picking us.