You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Samantha Collins here.

ASSISTANT: Samantha, how can I assist you?

USER: I would like to visit Phoenix for a business trip, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Ok, please let me know your source and destination airport codes.

USER: Sure, I want to travel from MSP to PHX.

ASSISTANT: Ok, please let me know your trip dates.

USER: I am planning to move on 11/17 and please book my return ticket also on 11/19.

ASSISTANT: There is a flight available with Frontier airlines and the ticket fare is 100 only. Is that ok for you?

USER: That's fine, you can proceed with booking.

ASSISTANT: Collins, your ticket is booked and your flight number is 1011.

USER: Thank you for your help in booking of my ticket.

ASSISTANT: You are welcome and thank you for choosing us.