You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I would like to shift my planned dates to some other dates, please help me in changing my existing reservation.

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Kathleen Thomas.

ASSISTANT: Thanks for your name, please wait.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, we are glad to inform you that we found a reservation on your name. Can you please help me with your journey dates?

USER: My journey dates are on Feb 09 and Feb 11.

ASSISTANT: Ok, help me with your airport codes.

USER: My airport codes are DTW and PHX.

ASSISTANT: Do you have any other specifications?

USER: I need a direct flight for my trip.

ASSISTANT: As per your information, no flights were currently running due to bad weather conditions at your destination place.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for choosing us.