You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Betty Evans here.

ASSISTANT: How may I assist you Betty?

USER: Actually, I want to change my existing reservation because of some bad weather condition. Can you please help me in this?

ASSISTANT: Sure, I will definitely help you on that.

USER: Ok.

ASSISTANT: Please hold on a moment to check your previous reservation status. I have found your reservation successfully. Could you please provide your new journey airport codes that you want to travel?

USER: Ok, my airports codes are from CA-LAX to NY-JFK.

ASSISTANT: Ok, may I know your preferable dates of travelling?

USER: Sure, my preferable dates of planning is from 06/19 to 06/21.

ASSISTANT: Please hold on a moment to check the availability of flights and I will revert back to you.

USER: Ok, please make sure that connections limit is 1.

ASSISTANT: Based on your information, flight number 1023 from AA airlines with the fare of 100 is matches with your required connections. Shall I proceed with this?

USER: Please book it.

ASSISTANT: Ok, your reservation is done successfully.

USER: Thank you for changing my reservation.

ASSISTANT: Thank you for approaching us, have a great journey.

USER: Most welcome.