You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: I want to change my existing reservation due to some technical issues. Can you help me with that?

ASSISTANT: Sure, I will help you with that. Can you please mention your name for further process?

USER: I am Betty Taylor.

ASSISTANT: I have found your reservation on your name. Can you please mention your preferable airport code names?

USER: I will fly from LGA to DCA.

ASSISTANT: Could you please mention your preferable travel dates?

USER: My travel dates are Mar 03 and Mar 05.

ASSISTANT: Do you have any preferences regarding timings of your journey?

USER: I need a connecting flight.

ASSISTANT: Do you have any another specifications?

USER: No.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Hawaiian airline flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: Please confirm.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1000.

USER: Thank you.

ASSISTANT: You are welcome Betty Taylor.