You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Angela Garcia. My scheduled examination dates has been postponed, could you please help me with changing my recent reservation?

ASSISTANT: I found your reservation, may I know your travel dates?

USER: I would like to take off on 02/06 and return on 02/08.

ASSISTANT: Please help me with your airport codes.

USER: My source airport code is PHX and destination airport code is OAK.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1008. Shall I proceed with this flight?

USER: Please confirm the booking.

ASSISTANT: Your booking is done.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Most welcome.