You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to inconvenience of my work, I want to change my reservation. Can you please help me for that?

ASSISTANT: Ok, can I know your name?

USER: My name is Andrew Baker.

ASSISTANT: Happy to inform you, we have found your reservation. Please provide me your new airport codes.

USER: My airport codes are MSP and PHL.

ASSISTANT: Can I know your travelling dates please?

USER: My travelling dates are July 12 and July 14.

ASSISTANT: Do you have any other requirements?

USER: I need single connecting flight.

ASSISTANT: Please wait.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in JetBlue airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your ticket is booked.

USER: Thanks for helping me.

ASSISTANT: Most welcome.