You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Katherine Hill.

ASSISTANT: How can I help you?

USER: Please, help me in booking me a flight ticket from PHX to PHL.

ASSISTANT: Sure, I am here to help you, may I know your travelling dates?

USER: Thank you.

ASSISTANT: Could you please help me with your price limit?

USER: 12/12 - 12/14 are my trip dates. 200 is the budget.

ASSISTANT: There is a UA 1029 airline with fare of 200 which matches your travelling dates. Shall I proceed with booking?

USER: Proceed with my booking.

ASSISTANT: Your booking has been confirmed on name of Katherine Hill.

USER: Thank you.

ASSISTANT: Thank you for approaching us, have a nice day.