You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: There is sudden change in trip, can you do changes in me reservation? My name is John Moore.

ASSISTANT: I have found your reservation. Please provide your new trip details.

USER: Ok, my new airport codes are from MSP to LGA.

ASSISTANT: Ok, when would you like to travel?

USER: My preferable dates of travelling is from 09/18 till 09/20. Make sure that connection limit should be 1.

ASSISTANT: I have found a flight based on your details.

USER: Ok, please proceed.

ASSISTANT: Flight number 1028 from Southwest airline with the fare of 100 is available for your request. Your ticket is booked with that.

USER: Thank you for your service.

ASSISTANT: Thank you for using our service, have a safe journey.