You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I want to do some changes in my existing reservation. Can you help me for that?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Linda Davis.

ASSISTANT: I found a reservation for you, can you please share your preferable journey dates?

USER: My travelling dates are Feb 02 and Feb 04.

ASSISTANT: Can you please provide your airport codes?

USER: My travelling airport codes are from MSP to PHL.

ASSISTANT: Do you have any specifications?

USER: My airline preference is normal cost.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a single connecting flight.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: I found a flight for you with price of 200, flight number is 1001 in economy class and connection is 1 with American airline. Is it ok for you?

USER: OK, please proceed for booking.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.