You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Amanda Davis.

ASSISTANT: How may I help you?

USER: I want to change my existing reservation because I have plan to spent some more days in destination place.

ASSISTANT: I found your reservation. Can you please tell me your new airport codes?

USER: My new airport codes are PHX and HOU.

ASSISTANT: Please share with us your travel dates also.

USER: My travelling dates are from 02/28 till 03/01.

ASSISTANT: Ok, Please wait a moment.

USER: Make sure that my connection limit should be 1.

ASSISTANT: I found a flight for you with 1 connection. Shall I proceed?

USER: I am fine with that please proceed for booking.

ASSISTANT: Your ticked has been booked with flight 1000 and airline is Spirit.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.