You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be at your service today?

USER: I want to book a ticket from PHX to CLT. Could you book a ticket?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Depart is by Jan, 23 and return date is Jan, 25.

ASSISTANT: Do you have any other specifications?

USER: I would like to return in the afternoon.

ASSISTANT: Please help me with your name for booking.

USER: My name is Nancy Evans.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1010. Shall I proceed with this flight?

USER: Please book a ticket.

ASSISTANT: Your booking is done in Frontier airlines.

USER: Thanks.

ASSISTANT: Thank you for choosing us.