You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket from PHX to BOS?

ASSISTANT: Sure, please share me your planned journey dates?

USER: Thank you. I have planned my travel dates as Dec 15 and Dec 17.

ASSISTANT: Do you prefer a connecting flight?

USER: I am looking for single connecting flight.

ASSISTANT: Is there any other requirement?

USER: No.

ASSISTANT: May I know your good name?

USER: Sure, myself Steven Walker.

ASSISTANT: I found a connecting flight 1005 of airline Frontier, fare is 200 and class is economy. Shall I proceed with booking?

USER: That is fine, please proceed with booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for visiting us.