You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Paul Evans. can you help me to change my reservation?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment to check your reservation.

USER: Ok, take your time.

ASSISTANT: Yes Paul Evans, your reservation has found so please provide me your travel dates.

USER: Ok, my travel dates are 05/10 and 05/12.

ASSISTANT: Ok, please let me know airport codes of your new locations.

USER: My airport codes are LGA and DEN.

ASSISTANT: Please wait a moment. Yes, I have found a flight in Spirit airlines with connection 1 and price 1005.

USER: Ok, please proceed.

ASSISTANT: Ok Paul Evans, I have reserved a ticket with flight number 1005.

USER: Thanks a lot.

ASSISTANT: Thank you for choosing us, have a great journey.