You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: My name is Karen Davis.

ASSISTANT: Yes, Davis.

USER: I have a plan to attend a wedding in Detroit, can you please help me for booking?

ASSISTANT: Sure, I will help you. Can you please tell me your source and destination codes?

USER: My airport codes are PHX and DTW.

ASSISTANT: What are your planning dates?

USER: my departure date is on 12/26 and return date is on 12/28.

ASSISTANT: Please wait for a while.

USER: Make sure that, my connection limit should be 1.

ASSISTANT: Happy to inform you that, Spirit airlines are providing service on your route with single connection and flight number is 1013. It costs you 200. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for booking.

ASSISTANT: Thank you for using our service.