You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I'm Michelle Evans.

ASSISTANT: Nice meeting you Evans.

USER: My business meeting has been postponed. So, I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Please wait a moment to check your previous reservation.

USER: Sure, take your time.

ASSISTANT: I have found your reservation successfully. Can you please provide your new journey details?

USER: Sure, I would like to take off on 12/07 and return back on 12/09.

ASSISTANT: Ok, may I know your origin and destination airport codes?

USER: My source airport code is AUS and the destination airport code is LGA.

ASSISTANT: Ok, please wait a moment to check the flights availability.

USER: Sure.

ASSISTANT: Based on your information, I have found flight with 0 connection with the fare of 100. Is it ok for you?

USER: I need a flight with 1 connection.

ASSISTANT: Sorry to inform you that, there are no flights running to your location with your requested dates of travelling.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us, have a great day.