You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I want to change my existing reservation due to postpone of my exams, can you help me with that?

ASSISTANT: Sure, kindly share your name.

USER: My name is Christopher Gonzalez.

ASSISTANT: Your reservation is found. Please share your trip dates.

USER: My new travel dates are May 08 and May 10.

ASSISTANT: Can I know your airport codes?

USER: My new airport codes are SFO and DTW.

ASSISTANT: Do you need any connection limit?

USER: Yes, I prefer connecting flight on this route.

ASSISTANT: Do you need any other specifications?

USER: No, I don't have.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: There is a connecting flight in economy class with Spirit Airlines and ticket fare of 100. Shall I proceed?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket is reserved with flight 1022.

USER: Thank you.

ASSISTANT: Thank you for opting us.