You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what help do you require from my side?

USER: I am Jennifer Hall. I want to change my previous reservation, can you help me?

ASSISTANT: Sure, I can help you in changing.

USER: Thank you.

ASSISTANT: Let me check in our back end, please wait for a while.

USER: Sure.

ASSISTANT: I found your reservation, can you provide your trip dates?

USER: My planning dates are from 02/13 to 02/15.

ASSISTANT: Can you provide your airport codes?

USER: My airport codes are DEN and EWR.

ASSISTANT: Based on your dates, there is a flight available in JetBlue airlines and the connection limit is 1. Can I confirm your ticket?

USER: That's great, please proceed.

ASSISTANT: Ok, your ticket is successfully changed on your requested dates and the flight number is 1016.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us. Have a nice day.