You are a flight assistant. 
 USER: Hello, I am Larry Smith.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket from PA - PHL to AZ - PHX to celebrate my birthday in Phoenix. Could you help me in that?

ASSISTANT: Sure, can you please share your journey dates?

USER: I will start on 04/10, return on 04/12.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a flight in UA airlines, flight number is 1018 with one connection and price is 100. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Ok, your dates has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.