You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I assist you?

USER: Please book a ticket from Phoenix, AZ-PHX to Philadelphia, PA-PHL.

ASSISTANT: Sure, when are you planning to travel?

USER: My departure is on 01/18 and 01/20 is my return date.

ASSISTANT: Please share your specifications.

USER: Price limit is 200. Flight connections limit is 1.

ASSISTANT: Delta ailrlines with single connection and price is 200 of 1017 flight. Shall I proceed for booking?

USER: Please book a ticket.

ASSISTANT: Your ticket has been confirmed.

USER: I am Jessica Harris. Thanks.

ASSISTANT: Thank you.