You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jacob Garcia here.

ASSISTANT: Jacob, how can I help you today?

USER: Can you please change my recent reservation? As my planned trip has been postponed to some other dates.

ASSISTANT: Ok, I am here to help you. Please wait for a moment.

USER: Sure, I'll wait for your response.

ASSISTANT: I found your reservation and please provide me your travel dates.

USER: Sure, my travel dates are 11/26 and 11/28.

ASSISTANT: May I know your airport codes please?

USER: My source and destination airport codes are PHX and LGA.

ASSISTANT: Please wait for a while.

USER: Sure, I'll be online.

ASSISTANT: There is a connecting flight 1027 of Hawaiian airlines for you with price 100.

USER: That's perfectly suits my requirements, you can proceed for booking.

ASSISTANT: Garcia, your booking is done.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.