You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight from PHx to SEA, can you please help me in booking?

ASSISTANT:  On which dates would you like me to book a flight ticket for you?

USER: I will start my journey on Apr 10 and return back on Apr 12.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: My name is Alexander Perez.

ASSISTANT: Can you please provide your take off airport code?

USER: My source airport code is PHX.

ASSISTANT: Let me know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I don't have any specification.

ASSISTANT: We found 1002 Frontier airlines with single connection with economy class.

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with price 100.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.