You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: On my semester exams I am unable to attend the trip which my friend's has planned.So, can you changed an existing reservation?

ASSISTANT: Sure, I will help you, wait for a moment please.

USER: Sure.

ASSISTANT: I found your reservation, may I know your new airport codes?

USER: I want to travel from MSP to ORD.

ASSISTANT: Let me know your travelling dates to proceed further?

USER: My travel dates are 08/12 and 08/14.

ASSISTANT: I found a flight that Hawaiian airline with connection 1 as per your details, can I proceed to booking?

USER: You can proceed.

ASSISTANT: For proceed, may I know your name please?

USER: I am Virginia Williams.

ASSISTANT: Your ticket is confirmed with flight number 1017.

USER: Thanks for your help.

ASSISTANT: My pleasure, have a nice trip.