You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER: Due to sudden change of my business meeting because of some technical problem, I need to change my reservation so can you help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: I am Emily Parker.

ASSISTANT: Thank you. Please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a reservation on your name. Could you please provide your new journey dates?

USER: Ok. I want to travel on 01/19, and need to catch return flight on 01/21.

ASSISTANT: Please provide your airport codes.

USER:  I need to leave from my nearest airport SEA to reach DCA.

ASSISTANT: Let me know your specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a direct flight with your details. Shall I proceed?

USER: Ok, do not proceed.

ASSISTANT: Ok.

USER: Thanks for the information.

ASSISTANT: Thank you.