You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I would like to change my existing reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, may I know your name to check for the status.

USER: Thank you for considering my request. Myself Andrew Thompson.

ASSISTANT: Please be on hold.

USER: Sure, I will wait for your response.

ASSISTANT: Here, I have found your reservation. May I know the planned travel dates?

USER: My planned new travel dates are from Feb 13 to Feb 15.

ASSISTANT: Please provide me the airport codes.

USER: My new preferable airport codes are ORD and LAX.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a flight with connection limit-1.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed in booking?

USER:   That's fine for me, you can proceed with that ticket booking.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1020 in JetBlue Airlines.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us.