You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you for the day?

USER: I need a connecting flight for a round trip. Can you help me in this?

ASSISTANT: Sure, I am here to help you. May I know your airport codes?

USER: Thank you. PHX, Phoenix is the code for a round trip.

ASSISTANT: When you are willing to travel?

USER: 06/21 to 06/3. 06/23.

ASSISTANT: May I know your good name?

USER: I am Alexander Martin.

ASSISTANT: Do you have any other specifications?

USER: I can afford an amount of 1000.

ASSISTANT: We found 1005 Spirit airlines with a single connection flight with price 100. Shall I proceed with the booking?

USER: Ok, you can confirm it.

ASSISTANT: Please wait for a moment. Your booking has been confirmed.

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us. have a great day.