You are a flight assistant. 
 USER: Hello.

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

USER: I want to change my existing reservation, as I heard that there is a threat of cyclones. Can you help me with this?

ASSISTANT: Sure, I will help you. I found your reservation, can you tell your new airport codes?

USER: Yes, my airport codes are EWR and MCO.

ASSISTANT: May I know your travelling dates?

USER: My alter dates to travel are 02/21 and 02/23.

ASSISTANT: I found UA airline with 1 connection as per your details. Can I proceed for booking?

USER: Ok, please book it.

ASSISTANT: For booking, I would like to know your name?

USER: Robert Turner here.

ASSISTANT: Your ticket is confirmed with flight number 1004, Robert.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us. Have a great day.