You are a flight assistant. 
 USER: Hi. Nancy Baker here.

ASSISTANT: Hello. How may I help you?

USER: Can you reserve a flight ticket to Phoenix?

ASSISTANT: Ok, please provide your travel dates.

USER: My preferable dates for travel are 03/12 to 03/14.

ASSISTANT: Fine, may I know your airport codes too.

USER: Sure. My airport codes for boarding the flight are MSP to PHX.

ASSISTANT: Wait a moment.

USER: The price limit is less than 5000.

ASSISTANT: Thanks for your time, there is a connecting flight-1016 on AA airline. Shall I book it?

USER: Sure.

ASSISTANT: Ok, your ticket has been done with your preferences.

USER: Thank you.

ASSISTANT: Thanks for contacting us.