You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Emma Miller here. Due to sudden change in my planned dates of journey, I would like to change my reservation. Can you please help me out with changing of my reservation?

ASSISTANT: Sure Emma, please wait for a minute.

USER: Sure.

ASSISTANT: Emma, please provide me your updated journey dates.

USER: Sure, I am planning to move on 01/29 and please book my return ticket on 01/31.

ASSISTANT: May I know your respective airport codes please?

USER: Sure, I want to travel from DEN to ATL.

ASSISTANT: Emma, I found a flight with Delta airlines available with price 100. Shall I book the ticket for you?

USER: Yes, I am ok with this, you can proceed with booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1024.

USER: Thank you for your assistance in booking of my ticket, have a nice day.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Welcome.