You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER:  I would like to change my flight reservation as my trip got postponed, can you please help me?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly mention your name to proceed further?

USER: I am Virginia Parker.

ASSISTANT: Ok, please wait.

USER: Take your time.

ASSISTANT: We have found a reservation on your name, please specify your new airport codes?

USER: My airport codes are EWR and SEA.

ASSISTANT: May I know when you are willing to travel?

USER: My travel dates are Oct 11 and Oct 13.

ASSISTANT: Are you looking for any preferred class?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other specifications to be met?

USER: I need a flight with single connection.

ASSISTANT: Ok, please wait.

USER: Take your time.

ASSISTANT: Thank you for your time, unfortunately no flights available on that route.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.