You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to change my reservation, due to heavy rainfall in Seattle, can you help me?

ASSISTANT: May I know your name?

USER: My name is Ronald Davis.

ASSISTANT: I have found your reservation. So, can you please help me with your new travelling dates?

USER: I am departing on Sep 11 and return on Sep 13.

ASSISTANT: May I know your travelling airport codes?

USER: My departure airport code is BOS and destination airport code is MSP.

ASSISTANT: Do you prefer connection flight in between your journey?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other preference?

USER: I do not have any other preferences.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting and we have found a flight ticket in an economy class with 1 connection in Delta airlines and the fare of your flight ticket will be 100. Do you like me to proceed your booking with this flight?

USER: Please proceed for booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.