You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jessica Scott.

ASSISTANT: Jessica, how can I assist you?

USER: I want to change my reservation due to heavy snowfall in my location.

ASSISTANT: Sure, please give me a moment to check your ticket status.

USER: Ok, take your time.

ASSISTANT: I found your reservation, please provide your rescheduled dates.

USER: My planned dates of journey are 11/18 and 11/20.

ASSISTANT: May I know your airport codes? Please hold on for a moment.

USER: Ok, my airport codes are CLT - IAH.

ASSISTANT: UA airlines with flight 1027 is providing service with 1 connection.

USER: Ok, please proceed.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.