You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I aid you?

USER: I would like to open a restaurant in Phoenix, AZ - PHX. So, I have to taste and understand various cooking methods. Can you aid me in booking flight ticket?

ASSISTANT: Sure, I am here to help you. Please provide your trip dates.

USER: Thanks for your response. My trip dates are on 11/21 - 11/23.

ASSISTANT: May I know your airport codes?

USER: I want to board from Minneapolis, MN - MSP.

ASSISTANT: Please hold on for a moment.

USER: Sure, I will wait.

ASSISTANT: Spirit airlines with flight 1000 is available.

USER: I am comfortable with that airline, please proceed.

ASSISTANT: Your ticket is reserved.

USER: Thanks for your assistance.

ASSISTANT: Thank you for approaching us.