You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

USER: I am Michelle Green. Can you help me to change my reservation?

ASSISTANT: Sure Michelle Green, I will help you with that. Please wait a moment to check your reservation status.

USER: Sure.

ASSISTANT: Ok Michelle Green, I have found your reservation so please let me know airport codes.

USER: My airport codes are ORD and DFW.

ASSISTANT: Ok Michelle Green, please provide me your travel dates.

USER: My journey dates are 05/14 and 05/16.

ASSISTANT: I have found a flight with connection 1 and price 100. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Ok Michelle Green, I have reserved a ticket with flight number 1016.

USER: Thank you for your help.

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