You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to attend a Marriage in Phoenix. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, help me with the trip dates?

USER: My travelling dates are Dec 13 and Dec 15.

ASSISTANT: May I know your name please?

USER: My name is Amanda Thompson.

ASSISTANT: Can I have your airport codes?

USER: My airport codes are DEN and PHX.

ASSISTANT: Do you have any preferences?

USER: I prefer single connecting flight.

ASSISTANT: We found a flight in an airline Spirit with 1003 number having a single connection price of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.