You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to change my reservation because of some urgent work. Can you please help me out?

ASSISTANT: Sure, I will you with that. May I know your name please?

USER: Thank you, my name is Amy Baker.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: As per your request I found a reservation under your name, may I know your travelling dates?

USER: I am happy, the travelling dates are from 01/16 to 01/18.

ASSISTANT: I need your airport codes to proceed further?

USER: The corresponding airport codes are from AZ-PHX to NC-CLT.

ASSISTANT: Please wait for a minute.

USER: Sure, make sure that the connection limit should be 1.

ASSISTANT: There is no flight with that connection.

USER: Ok, no problem.

ASSISTANT: Thank you.

USER: Thank you for your information.